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Geography (from Ancient Greek γεωγραφία geōgraphía; combining gê 'Earth' and gráphō 'write') is the study of the lands, features, inhabitants, and phenomena of Earth. Geography is an all-encompassing discipline that seeks an understanding of Earth and its human and natural complexities—not merely where objects are, but also how they have changed and come to be. While geography is specific to Earth, many concepts can be applied more broadly to other celestial bodies in the field of planetary science. Geography has been called "a bridge between natural science and social science disciplines."

Origins of many of the concepts in geography can be traced to Greek Eratosthenes of Cyrene, who may have coined the term "geographia" (c. 276 BC – c. 195/194 BC). The first recorded use of the word γεωγραφία was as the title of a book by Greek scholar Claudius Ptolemy (100 – 170 AD). This work created the so-called "Ptolemaic tradition" of geography, which included "Ptolemaic cartographic theory." However, the concepts of geography (such as cartography) date back to the earliest attempts to understand the world spatially, with the earliest example of an attempted world map dating to the 9th century BCE in ancient Babylon. The history of geography as a discipline spans cultures and millennia, being independently developed by multiple groups, and cross-pollinated by trade between these groups. The core concepts of geography consistent between all approaches are a focus on space, place, time, and scale.

Today, geography is an extremely broad discipline with multiple approaches and modalities. There have been multiple attempts to organize the discipline, including the four traditions of geography, and into branches. Techniques employed can generally be broken down into quantitative and qualitative approaches, with many studies taking mixed-methods approaches. Common techniques include cartography, remote sensing, interviews, and surveying. (Full article...)

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Image 1

White birches in Marion Brooks Natural Area within Quehanna Wild Area

Quehanna Wild Area (/kwəˈhænə/) is a wildlife area within parts of Cameron, Clearfield and Elk counties in the U.S. state of Pennsylvania; with a total area of 50,000 acres (78 sq mi; 202 km²), it covers parts of Elk and Moshannon State Forests. Founded in the 1950s as a nuclear research center, Quehanna has a legacy of radioactive and toxic waste contamination, while also being the largest state forest wild area in Pennsylvania, with herds of elk. The wild area is bisected by the Quehanna Highway and is home to second growth forest with mixed hardwoods and evergreens. Quehanna has two state forest natural areas: the 1,215-acre (492 ha) M.K. Goddard/Wykoff Run Natural Area, and the 917-acre (371 ha) Marion Brooks Natural Area. The latter has the largest stand of white birch in Pennsylvania and the eastern United States.

The land that became Quehanna Wild Area was home to Native Americans, including the Susquehannock and Iroquois, before it was purchased by the United States in 1784. Settlers soon moved into the region and, in the 19th and early 20th centuries, the logging industry cut the virgin forests; clearcutting and forest fires transformed the once verdant land into the "Pennsylvania Desert". Pennsylvania bought this land for its state forests, and in the 1930s the Civilian Conservation Corps worked to improve them. In 1955 the Curtiss-Wright Corporation bought 80 square miles (210 km²) of state forest to focus on developing nuclear-powered jet engines. They named their facility Quehanna for the nearby West Branch Susquehanna River, itself named for the Susquehannocks. (Full article...)
Image 2

Greatest extent of the Western Chalukya Empire, 1121D

The Western Chalukya Empire (/tʃəˈluːkjə/ chə-LOO-kyə) ruled most of the western Deccan, South India, between the 10th and 12th centuries. This Kannada-speaking dynasty is sometimes called the Kalyani Chalukya after its regal capital at Kalyani, today's Basavakalyan in the modern Bidar district of Karnataka state, and alternatively the Later Chalukya from its theoretical relationship to the 6th-century Chalukya dynasty of Badami. The dynasty is called Western Chalukyas to differentiate from the contemporaneous Eastern Chalukyas of Vengi, a separate dynasty. Before the rise of these Chalukyas, the Rashtrakuta Empire of Manyakheta controlled most of the Deccan Plateau and Central India for over two centuries. In 973, seeing confusion in the Rashtrakuta empire after a successful invasion of their capital by the ruler of the Paramara dynasty of Malwa, Tailapa II, a feudatory of the Rashtrakuta dynasty ruling from Bijapur region defeated his overlords and made Manyakheta his capital. The dynasty quickly rose to power and grew into an empire under Someshvara I who moved the capital to Kalyani.

For over a century, the two empires of South India, the Western Chalukyas and the Chola dynasty of Thanjavur fought many fierce wars to control the fertile region of Vengi. During these conflicts, the Eastern Chalukyas of Vengi, distant cousins of the Western Chalukyas but related to the Cholas by marriage, took sides with the Cholas further complicating the situation. During the rule of Vikramaditya VI, in the late 11th and early 12th centuries, the Western Chalukyas convincingly contended with the Cholas and reached a peak, ruling territories that spread over most of the Deccan, between the Narmada River in the north and Kaveri River in the south. His exploits were not limited to the south for even as a prince, during the rule of Someshvara I, he had led successful military campaigns as far east as modern Bihar and Bengal. During this period the other major ruling families of the Deccan, the Hoysala Empire, the Seuna dynasty, the Kakatiya dynasty and the Kalachuris of Kalyani, were subordinates of the Western Chalukyas and gained their independence only when the power of the Chalukya waned during the later half of the 12th century. (Full article...)
Image 3

View of Ambohimanga

Ambohimanga is a hill and traditional fortified royal settlement (rova) in Madagascar, located approximately 24 kilometers (15 mi) northeast of the capital city of Antananarivo. It is situated in the commune of Ambohimanga Rova.

The hill and the rova that stands on top are considered the most significant symbol of the cultural identity of the Merina people and the most important and best-preserved monument of the precolonial Merina Kingdom. The walled historic village includes residences and burial sites of several key monarchs. The site, one of the twelve sacred hills of Imerina, is associated with strong feelings of national identity and has maintained its spiritual and sacred character both in ritual practice and the popular imagination for at least four hundred years. It remains a place of worship to which pilgrims come from Madagascar and elsewhere. (Full article...)
Image 4

Willow Lake (located in the Big Butte Creek watershed), with Mount McLoughlin in the background

Big Butte Creek is a 12-mile-long (19 km) tributary of the Rogue River in the U.S. state of Oregon. It drains approximately 245 square miles (635 km²) of Jackson County. Its two forks, the North Fork and the South Fork, both begin high in the Cascade Range near Mount McLoughlin. Flowing predominantly west, they meet near the city of Butte Falls. The main stem flows generally northwest until it empties into the Rogue Falls was incorporated in 1911, and remains the only incorporated town within the watershed's boundaries.

Big Butte Creek's watershed was originally settled over 8,000 years ago by the Klamath, Upper Umpqua, and Takelma tribes of Native Americans. In the Rogue River Wars of the 1850s, most of the Native Americans were either killed or forced onto Indian reservations. The first non-indigenous settlers arrived in the 1860s, naming the creek after Snowy Butte, an early name for Mount McLoughlin. In the late 19th century, the watershed was primarily used for agriculture and logging. The small city of Butte Falls was incorporated in 1911, and remains the only incorporated town within the watershed's boundaries. (Full article...)
Image 5

Downtown Lethbridge on 4th Avenue South

Lethbridge (/ˈlɛθbrɪdʒ/ LETH-brij) is a city in the province of Alberta, Canada. With a population of 106,550 in the 2023 municipal census, Lethbridge became the fourth Alberta city to surpass 100,000 people. The nearby Canadian Rocky Mountains contribute to the city's warm summers, mild winters, and windy climate. Lethbridge lies approximately 215 km (134 mi) southeast of Calgary on the Oldman River.

Lethbridge is the commercial, educational, financial, industrial and transportation centre of southern Alberta. The city's economy developed from drift mining for coal in the late 19th century and agriculture in the early 20th century. Half of the workforce is employed in the health, education, retail and hospitality sectors, and the top five employers are government-based. The University of Lethbridge, the only university in Alberta south of Calgary, is located here, as well as two colleges. Cultural venues in the city include performing art theatres, galleries, museums, gardens, and sports centres. (Full article...)
Image 6

Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's second-largest country by total area, with the world's longest coastline. Its border with the United States is the world's longest international land border. The country is characterized by a wide range of both meteorologic and geological regions. With a population of just over 41 million people, it has widely varying population densities, with the majority residing in urban areas and large areas of the country being sparsely populated. Canada's capital is Ottawa and its three largest metropolitan areas are Toronto, Montreal, and Vancouver.

Indigenous peoples have continuously inhabited what is now Canada for thousands of years. Beginning in the 16th century, British and French expeditions explored and later settled along the Atlantic coast. As a consequence of various armed conflicts, France ceded nearly all of its colonies in North America in 1763. In 1867, with the union of three British North American colonies through Confederation, Canada was formed as a federal dominion of four provinces. This began an accretion of provinces and territories resulting in the displacement of Indigenous populations, and a process of increasing autonomy from the United Kingdom. This increased sovereignty was highlighted by the Statute of Westminster, 1931, and culminating in the Canada Act 1982, which severed the vestiges of legal dependence on the Parliament of the United Kingdom. (Full article...)
Image 7

A map of the position of the former shorelines of Lake Estancia

Lake Estancia was a lake formed in the Estancia Valley, central New Mexico, which left various coastal landforms in the valley. The lake was mostly fed by creek and groundwater from the Manzano Mountains, and fluctuated between freshwater stages and saltier stages. The lake had a diverse fauna, including cutthroat trout; they may have reached it during a possible past stage where it was overflowing.

Lake Estancia appears to have formed between the Pliocene and Pleistocene, when a previous river system broke up. It reached a maximum water level ("highstand") presumably during the Illinoian glaciation and subsequently fluctuated between fuller stages and a desiccated basin. Around the Last Glacial Maximum (LGM) time interval, several highstands and a low water level state occurred during the "Big Dry" climate interval. Between 16,100 and 14,500 years ago the lake reached its highest stand of the last 30,000 years before drying up again during the Bølling-Allerød climate interval. The lake briefly returned during the Younger Dryas climate interval and eventually desiccated during the Holocene, after about 8,500 years ago. Wind-driven erosion has excavated depressions in the former lakebed that are in part filled with playas (dry lake beds). (Full article...)
Image 8

Portrait by Adolph Menzel, 1854

Friedrich Wilhelm Freiherr von Seydlitz (3 February 1721 – 8 November 1773) was a Prussian officer, lieutenant general, and among the greatest of the Prussian cavalry generals. He commanded one of the first Hussar squadrons of Frederick the Great's army and is credited with the development of the Prussian cavalry to its efficient level of performance in the Seven Years' War. His cavalryman father retired and then died while Seydlitz was still young. Subsequently, he was mentored by Margrave Frederick William of Brandenburg-Schwedt. Seydlitz's superb horsemanship and his recklessness combined to make him a stand-out subaltern, and he emerged as a redoubtable Rittmeister (cavalry captain) in the War of Austrian Succession (1740–1748) during the First and Second Silesian wars.

Seydlitz became legendary throughout the Prussian Army both for his leadership and for his reckless courage. During the Seven Years' War, he came into his own as a cavalry general, known for his coup d'œil, his ability to assess at a glance the entire battlefield situation and to understand intuitively what needed to be done: he excelled at converting the King's directives into flexible tactics. At the Battle of Rossbach, his cavalry was instrumental in routing the French and Imperial armies. His cavalry subsequently played an important role in crushing the Habsburg and Imperial left flank at the Battle of Leuthen. Seydlitz was wounded in battle several times. After the Battle of Kunersdorf in August 1759, he semi-retired to recover from his wounds, charged with the protection of the city of Berlin. He was not healthy enough to campaign again until 1761. (Full article...)
Image 9

Rogue River from Hellgate Canyon

The Rogue River (Tolowa: yan-shuu-chit’ taa-ghii~-li~’, Takelma: tak-elam) in southwestern Oregon in the United States flows about 215 miles (346 km) in a generally westward direction from the Cascade Range to the Pacific Ocean. Known for its salmon runs, whitewater rafting, and rugged scenery, it was one of the original eight rivers named in the Wild and Scenic Rivers Act of 1968. Beginning near Crater Lake, which occupies the caldera left by the explosive volcanic eruption and collapse of Mount Mazama, the river flows through the geologically young High Cascades and the older Western Cascades, another volcanic province. Further west, the river passes through multiple exotic terranes of the more ancient Klamath Mountains. In the Kalmiopsis Wilderness section of the Rogue basin are some of the world's best examples of rocks that form the Earth's mantle. Near the mouth of the river, the only dinosaur fragments ever discovered in Oregon were found in the Otter Point Formation, along the coast of Curry County.

People have lived along the Rogue River and its tributaries for at least 8,500 years. European explorers made first contact with Native Americans (Indians) toward the end of the 18th century and began beaver trapping and other activities in the region. Clashes, sometimes deadly, occurred between the natives and the trappers and later between the natives and European-American miners and settlers. These struggles culminated with the Rogue River Wars of 1855–56 and removal of most of the natives to reservations outside the basin. After the war, settlers expanded into remote areas of the watershed and established small farms along the river between Grave Creek and the mouth of the Illinois River. They were relatively isolated from the outside world until 1895, when the Post Office Department added mail boat service along the lower Rogue. As of 2010, the Rogue has one of the two remaining rural mail-boat routes in the United States. (Full article...)
Image 10

Battle of Rossbach, unknown artist

The Battle of Rossbach took place on 5 November 1757 during the Third Silesian War (1756–1763, part of the Seven Years' War) near the village of Rossbach (Roßbach), in the Electorate of Saxony. It is sometimes called the Battle of, or at, Reichardtswerben, after a different nearby town. In this 90-minute battle, Frederick the Great, king of Prussia, defeated an Allied army composed of French forces augmented by a contingent of the Reichsarmee (Imperial Army) of the Holy Roman Empire. The French and Imperial army included 41,110 men, opposing a considerably smaller Prussian force of 22,000. Despite overwhelming odds, Frederick managed to defeat the Imperials and the French.

The Battle of Rossbach marked a turning point in the Seven Years' War, not only for its stunning Prussian victory, but because France refused to send troops against Prussia again and Britain, noting Prussia's military success, increased its financial support for Frederick. Following the battle, Frederick immediately left Rossbach and marched for 13 days to the outskirts of Breslau. There he met the Austrian army at the Battle of Leuthen; he employed similar tactics to again defeat an army considerably larger than his own. (Full article...)
Image 11

Greatest extent of the Chalukya Empire, 636 AD, 740 AD

The Chalukya dynasty ([tʃaːɭukjə]) was a Classical Indian dynasty that ruled large parts of southern and central India between the 6th and the 12th centuries. During this period, they ruled as three related yet individual dynasties. The earliest dynasty, known as the "Badami Chalukyas", ruled from Vatapi (modern Badami) from the middle of the 6th century. The Badami Chalukyas began to assert their independence at the decline of the Kadamba kingdom of Banavasi and rapidly rose to prominence during the reign of Pulakeshin II. After the death of Pulakeshin II, the Eastern Chalukyas became an independent kingdom in the eastern Deccan. They ruled from Vengi until about the 11th century. In the western Deccan, the rise of the Rashtrakutas in the middle of the 8th century eclipsed the Chalukyas of Badami before being revived by their descendants, the Western Chalukyas, in the late 10th century. These Western Chalukyas ruled from Kalyani (modern Basavakalyan) until the end of the 12th century.

The rule of the Chalukyas marks an important milestone in the history of South India and a golden age in the history of Karnataka. The political atmosphere in South India shifted from smaller kingdoms to large empires with the ascendancy of Badami Chalukyas. A Southern India-based kingdom took control and consolidated the entire region between the Kaveri and the Narmada rivers. The rise of this empire saw the birth of efficient administration, overseas trade and commerce and the development of new style of architecture called "Chalukyan architecture". Kannada literature, which had enjoyed royal support in the 9th century Rashtrakuta court found eager patronage from the Western Chalukyas in the Jain and Veerashaiva traditions. The 11th century saw the patronage of Telugu literature under the Eastern Chalukyas. (Full article...)
Image 12

Kitab al-Hadi al-Muhammadi fi'l-Tibb al-Nabawi (Treatise on Prophetic Medicine) with the tughra (monogram, left) of Suleiman the Magnificent, 1520

Empire of the Sultans: Ottoman Art of the Khalili Collection was a 1995–2004 touring exhibition displaying objects from the Khalili Collection of Islamic Art. Around two hundred exhibits, including calligraphy, textiles, pottery, weapons, and metalwork, illustrated the art and daily life of six centuries of the Ottoman Empire. Many of the objects had been created for the leaders of the empire, the sultans. Two of the calligraphic pieces were the work of sultans themselves.

In the 1990s, the exhibition was hosted by institutions in Switzerland, the United Kingdom, and Israel. It visited thirteen cities in the United States from 2000 to 2004, a period when Islam became especially controversial due to the September 11 attacks and the subsequent wars in the Middle East. Critics described the exhibition as wide-ranging and informative. They praised it for showing beautiful art works—naming the calligraphy in particular—and for presenting a fresh view of Islam. Catalogues were published in both English and French. (Full article...)
Image 13

The Big Raven Plateau at the northern end of the Mount Edziza volcanic complex consists of several lava flows that have issued from multiple volcanoes in the last 7.5 million years

The Mount Edziza volcanic complex (MEVC) in British Columbia, Canada, has a history of volcanism that spans more than 7 million years. It has taken place during five cycles of magmatic activity, each producing less volcanic material than the previous one. Volcanism during these cycles has created several types of volcanoes, including cinder cones, stratovolcanoes, subglacial volcanoes, shield volcanoes and lava domes. The approximately 1,000-square-kilometre (400-square-mile) volcanic plateau forming the base of the MEVC originated from the successive eruptions of highly mobile lava flows. Volcanic rocks such as basalt, trachybasalt, benmoreite, tristanite, mugearite, trachyte and rhyolite were deposited by multiple eruptions of the MEVC; the latter six rock types are products of varying degrees of magmatic differentiation in underground magma reservoirs. At least 10 distinct flows of obsidian were produced by volcanism of the MEVC, some of which were exploited by indigenous peoples in prehistoric times to make tools and weaponry. Renewed volcanism could produce explosive eruptions and block local streams with lava flows.

The first magmatic cycle took place between 7.5 and 6 million years ago and is represented by the Raspberry, Little Iskut and Armadillo geological formations, each of which is the product of a different eruptive period. Three distinct periods of eruptive activity also characterized the second magmatic cycle between 6 and 1 million years ago; they are represented by the Nido, Spectrum and Pyramid geological formations. The third magmatic cycle about 1 million years ago is represented by the Ice Peak, Pillow Ridge and Edziza geological formations, each of which is also the product of a distinct eruptive period. Three distinct periods of eruptive activity also characterized the fourth magmatic cycle between 0.8 and 0.2 million years ago which are represented by the Arctic Lake, Klastline and Kakiddi geological formations. The fifth magmatic cycle began at least 20,000 years ago and may be ongoing; the single distinct eruptive period of this magmatic cycle is represented by the Big Raven Formation. (Full article...)
Image 14
Routes of Endurance, the James Caird, and Aurora, the overland supply depot route of the Ross Sea party, and the planned overland route of the Weddell Sea party led by Ernest Shackleton on his Trans-Antarctic Expedition of 1914–1915:^{[image reference needed]}
  Voyage of Endurance
  Drift of Endurance in pack ice
  Sea ice drift after Endurance sinks
  Voyage of the James Caird
  Planned trans-Antarctic route
  Voyage of Aurora to Antarctica
  Retreat of Aurora
  Supply depot route

The Ross Sea party was a component of Sir Ernest Shackleton's 1914–1917 Imperial Trans-Antarctic Expedition. Its task was to lay a series of supply depots across the Great Ice Barrier from the Ross Sea to the Beardmore Glacier, along the polar route established by earlier Antarctic expeditions. The expedition's main party, under Shackleton, was to land near Vahsel Bay on the Weddell Sea on the opposite coast of Antarctica, and to march across the continent via the South Pole to the Ross Sea. As the main party would be unable to carry sufficient fuel and supplies for the whole distance, their survival depended on the Ross Sea party setting up supply depots, which would cover the final quarter of their journey.

Shackleton set sail from London on his ship Endurance, bound for the Weddell Sea in August 1914. Meanwhile, the Ross Sea party personnel gathered in Australia, prior to departure for the Ross Sea in the second expedition ship, SY Aurora. Organisational and financial problems delayed their start until December 1914, which shortened their first depot-laying season. After their arrival the inexperienced party struggled to master the art of Antarctic travel, in the process losing most of their sled dogs. (Full article...)
Image 15

Beach viewed from board-walk through the pines

Holkham National Nature Reserve is England's largest national nature reserve (NNR). It is on the Norfolk coast between Burnham Overy Staithe and Blakeney, and is managed by Natural England with the cooperation of the Holkham Estate. Its 3,900 hectares (9,600 acres) comprise a wide range of habitats, including grazing marsh, woodland, salt marsh, sand dunes and foreshore. The reserve is part of the North Norfolk Coast Site of Special Scientific Interest, and the larger area is additionally protected through Natura 2000, Special Protection Area (SPA) and Ramsar listings, and is part of both an Area of Outstanding Natural Beauty (AONB) and a World Biosphere Reserve. Holkham NNR is important for its wintering wildfowl, especially pink-footed geese, Eurasian wigeon and brant geese, but it also has breeding waders, and attracts many migrating birds in autumn. Many scarce invertebrates and plants can be found in the dunes, and the reserve is one of the only two sites in the UK to have an antlion colony.

This stretch of coast originally consisted of salt marshes protected from the sea by ridges of shingle and sand, and Holkham's Iron Age fort stood at the end of a sandy spit surrounded by the tidal wetland. The Vikings navigated the creeks to establish Holkham village, but access to the former harbour was stopped by drainage and reclamation of the marshes between the coast and the shingle ridge which started in the 17th century, and was completed in 1859. The Holkham estate has been owned by the Coke family, later Earls of Leicester since 1609, and their seat at Holkham Hall is opposite the reserve's Lady Anne's Drive entrance. The 3rd Earl planted pines on the dunes to protect the pastures reclaimed by his predecessors from wind-blown sand. The national nature reserve was created in 1967 from 1,700 hectares (4,200 acres) of the Holkham Estate and 2,200 hectares (5,400 acres) of foreshore belonging to the Crown. (Full article...)

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Vital articles to understand Geography.

Land, also known as dry land, ground, or earth, is the solid terrestrial surface of Earth not submerged by the ocean or another body of water. It makes up 29.2% of Earth's surface and includes all continents and islands. Earth's land surface is almost entirely covered by regolith, a layer of rock, soil, and minerals that forms the outer part of the crust. Land plays an important role in Earth's climate system, being involved in the carbon cycle, nitrogen cycle, and water cycle. One-third of land is covered in trees, another third is used for agriculture, and one-tenth is covered in permanent snow and glaciers. The remainder consists of desert, savannah, and prairie. (Full article...)

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Image 1
Compass rose
Illustration credit: Joaquim Alves Gaspar, after Jorge de Aguiar
A compass rose, sometimes called a windrose or rose of the winds, is a figure on a compass, map, nautical chart, or monument used to display the orientation of the cardinal directions (north, east, south, and west) and their intermediate points. It is also the term for the graduated markings found on the traditional magnetic compass. Today, a form of compass rose is found on, or featured in, almost all navigation systems, including nautical charts, non-directional beacons, VHF omnidirectional range systems, GPS, and similar equipment.

This picture is an illustration of a compass rose, copied from a 1492 portolan chart by Portuguese navigator and cartographer Jorge de Aguiar, now in the Beinecke Rare Book & Manuscript Library.
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Image 2
South America
Photo: Blue Marble by Reto Stockli, NASA/GSFC
A composite relief satellite image of South America, the fourth-largest continent. South America occupies the southern portion of the landmass in the Western Hemisphere. The continent is generally delimited on the northwest by the Darién watershed along the Colombia–Panama border. Almost all of mainland South America sits on the South American Plate, as do nearby outlying islands.
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Image 3
Albers projection
Map: Strebe, using Geocart
The Albers projection is a conic, equal area map projection, named after Heinrich C. Albers, that uses two standard parallels. Although scale and shape are not preserved, distortion is minimal between the standard parallels. This map is used by such agencies as the United States Geological Survey, the United States Census Bureau, and the governments of British Columbia and Yukon.
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Image 4
Sinusoidal projection
Map: Strebe, using Geocart
The sinusoidal projection is a pseudocylindrical equal-area map projection. Used as early as the 16th century, this projection shows distances accurately along the central meridian and the equator; areas furthest from these lines are the most distorted.
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Image 5
Winkel tripel projection
Map: Strebe, using Geocart
The Winkel tripel projection is a modified azimuthal map projection proposed by Oswald Winkel in 1921. The arithmetic mean of the equirectangular projection and the Aitoff projection, it was intended as a compromise between minimizing three kinds of distortion: area, direction and distance.

The imagery used for the map is derived from NASA's Blue Marble summer months composite, with oceans lightened to enhance legibility and contrast.
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Image 6
North Cascades National Park
Map credit: Heinrich C. Berann
North Cascades National Park is an American national park in the state of Washington. At more than 500,000 acres (200,000 ha), North Cascades National Park is the largest of the three National Park Service units that comprise the North Cascades National Park Complex. North Cascades National Park consists of a northern and southern section, bisected by the Skagit River that flows through Ross Lake National Recreation Area. Lake Chelan National Recreation Area lies on the southern border of the south unit of the park. In addition to the two national recreation areas, other protected lands including several national forests and wilderness areas, as well as Canadian provincial parks in British Columbia, nearly surround the park. North Cascades National Park features the rugged mountain peaks of the North Cascades Range, the most expansive glacial system in the contiguous United States, the headwaters of numerous waterways, and vast forests with the highest degree of flora biodiversity of any American national park.

This picture is a panoramic map of North Cascades National Park, as viewed from the east, created in 1987 by Austrian painter and cartographer Heinrich C. Berann for the National Park Service.
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Image 7
Lambert conformal conic projection
Map: Strebe, using Geocart
The Lambert conformal conic projection is a conic map projection used for aeronautical charts, portions of the State Plane Coordinate System, and many national and regional mapping systems. It is one of seven projections introduced by Johann Heinrich Lambert in 1772. Conceptually, the projection seats a cone over the sphere of the Earth and projects the surface conformally onto the cone. The cone is unrolled, and the parallel that was touching the sphere is assigned unit scale. By scaling the resulting map, two parallels can be assigned unit scale, with scale decreasing between them and increasing outside them. Unlike other conic projections, no true secant form of this projection exists.
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Image 8
Chamberlin trimetric projection
Map: Strebe, using Geocart
The Chamberlin trimetric projection is a map projection where three points are fixed on the globe and the points on the sphere are mapped onto a plane by triangulation. It was developed in 1946 by Wellman Chamberlin for the National Geographic Society. It is neither conformal nor equal-area, but rather attempts to minimize distortion of distances everywhere with the side-effect of balancing between areal equivalence and conformality.
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Image 9
Natural Earth projection
Map: Strebe, using the Geocart map projection software
A map of the world using the Natural Earth projection, a pseudocylindrical projection which is neither conformal nor equal-area. The projection was designed by Tom Patterson, an American cartographer with the National Park Service who has developed several open-source tools and base maps for cartographers.

This map is a derivative of NASA's Blue Marble summer month composite, with oceans lightened to enhance legibility and contrast.
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Image 10
North America
Photo: NASA
A composite satellite image of the continent of North America in orthographic projection. North America occupies the northern portion of the landmass generally known as the Americas, with its southern border at the Darién watershed along the Colombia–Panama border. The vast majority of North America rests on the North American Plate, while small parts of California and western Mexico rest on the Pacific Plate; Central America and the Caribbean islands rest on the Caribbean Plate.
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Image 11
Yellowstone National Park
Map credit: Heinrich C. Berann
Yellowstone National Park is an American national park located mostly in Wyoming and extending into Montana and Idaho. It was established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872. Yellowstone was the first national park in the U.S. and is also widely held to be the first national park in the world. The park is known for its wildlife and its many geothermal features, especially the Old Faithful geyser, one of its most popular landmarks. It has many types of ecosystems, but the subalpine forest is the most abundant. The park is part of the South Central Rockies forests ecoregion. In 1978, Yellowstone was named a World Heritage Site by UNESCO.

This picture is a stylized panoramic map of Yellowstone National Park as viewed from the northeast, created in 1991 by Austrian painter and cartographer Heinrich C. Berann for the National Park Service. Yellowstone Lake and the Grand Canyon of the Yellowstone are in the center, while Old Faithful is visible on the right, next to a brown building representing the Old Faithful Inn. Jackson Lake and the peaks of the Teton Range are depicted in the background.
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Peirce quincuncial projection
Map: Strebe, using Geocart
The Peirce quincuncial projection is a conformal map projection developed by Charles Sanders Peirce in 1879, while he was working at the U.S. Coast and Geodetic Survey. In the normal aspect Peirce's projection presents the Northern Hemisphere in a square; the Southern Hemisphere is split into four 90°–45°–45° triangles surrounding it so that the whole map forms a larger square.
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Iberian Peninsula
Map credit: Robert Wilkinson
An 18th century map of the Iberian Peninsula illustrating various topographic features of the land. The Iberian Peninsula, or Iberia, is located in the extreme southwest of Europe, and includes modern day Spain, Portugal, Gibraltar and Andorra.
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Image 14
Mount Everest
Photo credit: Luca Galuzzi
The north face of Mount Everest, as seen from Tibet. Everest is the highest mountain on Earth, as measured by the height of its summit above sea level, which is 8,848 metres (29,029 ft). In 1865, Everest was given its official English name by the Royal Geographical Society upon recommendation of Andrew Waugh, the British Surveyor General of India at the time.
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Image 15
Sahara
Image credit: NASA
A satellite image of the Sahara, the world's largest hot desert and second largest desert after Antarctica at over 9,000,000 km² (3,500,000 mi²), almost as large as the United States. The Sahara is located in Northern Africa and is 2.5 million years old.
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Featured biography

Featured biography articles in geography

Georg Forster at age 26, by J. H. W. Tischbein, 1781

Johann George Adam Forster, also known as Georg Forster (German pronunciation: [ˈɡeːɔʁk ˈfɔʁstɐ], 27 November 1754 – 10 January 1794), was a German geographer, naturalist, ethnologist, travel writer, journalist and revolutionary. At an early age, he accompanied his father, Johann Reinhold Forster, on several scientific expeditions, including James Cook's second voyage to the Pacific. His report of that journey, A Voyage Round the World, contributed significantly to the ethnology of the people of Polynesia and remains a respected work. As a result of the report, Forster, who was admitted to the Royal Society at the early age of twenty-two, came to be considered one of the founders of modern scientific travel literature.

After returning to continental Europe, Forster turned toward academia. He taught natural history at the Collegium Carolinum in the Ottoneum, Kassel (1778–84), and later at the Academy of Vilna (Vilnius University) (1784–87). In 1788, he became head librarian at the University of Mainz. Most of his scientific work during this time consisted of essays on botany and ethnology, but he also prefaced and translated many books about travel and exploration, including a German translation of Cook's diaries. (Full article...)

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