World & Culture · Editorial deck
Rivers, Peaks & Deserts
The rivers, mountains and deserts that shape the map
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- 01Rivers and watersheds10 cards · ~2 min
- 02Mountains and high plateaus9 cards · ~2 min
- 03Deserts and arid landscapes15 cards · ~3 min
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01This river has long been credited as the world's longest river, flowing north across northeastern Africa.RECALL
NileThe Nile has long been credited as the world's longest river, flowing north across northeastern Africa.
Share this card ↗Source: Nile ↗02This river discharges more water than any other river on Earth as it crosses South America.RECALL
AmazonThe Amazon discharges more water than any other river on Earth as it crosses South America.
Share this card ↗Source: Amazon River ↗03This river is Asia's longest river and hosts the Three Gorges Dam along its course through China.RECALL
YangtzeThe Yangtze is Asia's longest river and hosts the Three Gorges Dam along its course through China.
Share this card ↗Source: Yangtze ↗04This river system drains much of the central United States into the Gulf of Mexico.RECALL
MississippiThe Mississippi River system drains a huge swath of the central United States into the Gulf of Mexico.
Share this card ↗Source: Mississippi River ↗05This river is considered sacred in Hinduism and feeds a vast delta shared by India and Bangladesh.RECALL
GangesThe Ganges is considered sacred in Hinduism and feeds a vast delta shared by India and Bangladesh.
Share this card ↗Source: Ganges ↗06This river passes through Central and Eastern Europe on its way to the Black Sea.RECALL
DanubeThe Danube crosses more countries than any other river as it winds through Central and Eastern Europe.
Share this card ↗Source: Danube ↗07This river is Europe's longest river and empties into the Caspian Sea rather than an ocean.RECALL
VolgaThe Volga is Europe's longest river and empties into the Caspian Sea rather than an ocean.
Share this card ↗Source: Volga River ↗08This river crosses the equator twice on its path through Central Africa toward the Atlantic.RECALL
Congo RiverThe Congo River crosses the equator twice on its path through Central Africa toward the Atlantic.
Share this card ↗Source: Congo River ↗09Australia's longest river forms much of the boundary between New South Wales and Victoria.RECALL
Murray RiverThe Murray River is Australia's longest and marks part of the boundary between two states.
Share this card ↗Source: Murray River ↗10This European mountain range crosses eight countries and feeds the Rhine and Rhône.RECALL
AlpsThe Alps cross eight European countries and feed the headwaters of rivers including the Rhine and the Rhône.
Share this card ↗Source: Alps ↗11This mountain's summit stands higher above sea level than any other point on Earth, in the Himalayas.RECALL
Mount EverestMount Everest's summit stands higher above sea level than any other point on Earth, in the Himalayas.
Share this card ↗Source: Mount Everest ↗12Africa's highest peak. A dormant volcano with a snow-capped summit near the equator.IDENTIFY
Mount KilimanjaroKilimanjaro rises as a dormant volcano in Tanzania, Africa's tallest peak despite its near-equatorial location.
Share this card ↗Source: Mount Kilimanjaro ↗13This Alaska summit is North America's highest; its Indigenous name is used by the state of Alaska.RECALL
DenaliDenali is North America's highest summit. Alaska retains that name; the US federal government restored Mount McKinley in 2025.
Share this card ↗Source: Denali ↗14This mountain is the highest summit in the Alps and has drawn climbers since the eighteenth century.RECALL
Mont BlancMont Blanc is the highest summit in the Alps and has drawn climbers since the eighteenth century.
Share this card ↗Source: Mont Blanc ↗15This sharply pyramidal Alpine peak straddles Switzerland and Italy.RECALL
MatterhornThe Matterhorn's sharp, near-symmetrical pyramid shape makes it one of the most recognized peaks on Earth.
Share this card ↗Source: Matterhorn ↗16This mountain rises in the Argentine Andes as the tallest mountain anywhere in the Americas.RECALL
AconcaguaAconcagua rises in the Argentine Andes as the tallest mountain anywhere in the Americas.
Share this card ↗Source: Aconcagua ↗17This mountain is an active volcano near Tokyo that stands as Japan's tallest and most recognized peak.RECALL
Mount FujiMount Fuji is an active volcano near Tokyo that stands as Japan's tallest and most recognized peak.
Share this card ↗Source: Mount Fuji ↗18These mountains extend from Canada into the southwestern United States and form part of the Continental Divide.RECALL
Rocky MountainsThe Rocky Mountains stretch from Canada into the American Southwest, forming the Continental Divide.
Share this card ↗Source: Rocky Mountains ↗19These mountains conventionally divide Europe from Asia.RECALL
Ural MountainsThe Ural Mountains form the conventional dividing line between the continents of Europe and Asia.
Share this card ↗Source: Ural Mountains ↗20This river links Switzerland, Germany, and the Netherlands as one of Europe's busiest shipping routes.RECALL
RhineThe Rhine links Switzerland, Germany, and the Netherlands as one of Europe's busiest shipping routes.
Share this card ↗Source: Rhine ↗21This river crosses southern Africa and plunges over Victoria Falls along its course.RECALL
ZambeziThe Zambezi crosses southern Africa and plunges over Victoria Falls along its course.
Share this card ↗Source: Zambezi ↗22This Southeast Asian river flows through six countries and supports a major freshwater fishery.RECALL
MekongThe Mekong flows through six countries and supports one of the world's largest freshwater fisheries.
Share this card ↗Source: Mekong ↗23This mountain stands just below Everest in height but is widely regarded as far harder and more dangerous to climb.RECALL
K2K2 stands just below Everest in height but is widely regarded as far harder and more dangerous to climb.
Share this card ↗Source: K2 ↗24These mountains run along western South America and contain some of Earth's tallest volcanoes.RECALL
AndesThe Andes run the length of western South America and hold some of the planet's tallest volcanoes.
Share this card ↗Source: Andes ↗25This desert spans most of North Africa and ranks as the largest hot desert on Earth.RECALL
SaharaThe Sahara spans most of North Africa and ranks as the largest hot desert on Earth.
Share this card ↗Source: Sahara ↗26This desert stretches across northern China and Mongolia and swings between harsh summer heat and bitter winter cold.RECALL
Gobi DesertThe Gobi Desert stretches across northern China and Mongolia and swings between harsh summer heat and bitter winter cold.
Share this card ↗Source: Gobi Desert ↗27This desert in Chile is regarded as one of the driest nonpolar places on the planet.RECALL
Atacama DesertThe Atacama Desert in Chile is regarded as one of the driest nonpolar places on the planet.
Share this card ↗Source: Atacama Desert ↗28This desert covers much of the Arabian Peninsula and includes the Rub' al Khali sand sea.RECALL
Arabian DesertThe Arabian Desert covers most of the peninsula and contains the vast sand sea known as the Rub' al Khali.
Share this card ↗Source: Arabian Desert ↗29Large semi-arid sandy savanna of Southern Africa. Home to the San people.IDENTIFY
Kalahari DesertThe Kalahari spans a wide stretch of Southern Africa and has long been home to the San people.
Share this card ↗Source: Kalahari Desert ↗30This desert in the southwestern United States contains Death Valley, famed for extreme heat.RECALL
Mojave DesertThe Mojave Desert in the southwestern United States contains Death Valley, famed for extreme heat.
Share this card ↗Source: Mojave Desert ↗31This continent receives so little precipitation that it is classified as the largest desert on Earth by area.RECALL
AntarcticaShare this card ↗Source: Antarctica ↗32The saguaro cactus is characteristic of this desert spanning Mexico and the southwestern United States.RECALL
Sonoran DesertThe Sonoran Desert supports the saguaro cactus and receives more rainfall than most other deserts.
Share this card ↗Source: Sonoran Desert ↗33This desert lines the Namibian coast and is prized for some of the tallest sand dunes on Earth.RECALL
Namib DesertThe Namib Desert lines the Namibian coast and is prized for some of the tallest sand dunes on Earth.
Share this card ↗Source: Namib Desert ↗34This desert spans the India-Pakistan border and supports a far denser population than most deserts.RECALL
Thar DesertThe Thar Desert spans the India-Pakistan border and supports a far denser population than most deserts.
Share this card ↗Source: Thar Desert ↗
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