The Nile River flows north through northeastern Africa to the Mediterranean Sea.
The Amazon River is the largest river by discharge and drains much of northern South America.
The Yangtze River is the longest river in Asia and flows across China to the East China Sea.
The Mississippi River system drains a large portion of the central United States into the Gulf of Mexico.
The Congo River is a major river of central Africa and is one of the deepest rivers in the world.
The Danube flows through central and southeastern Europe and empties into the Black Sea.
The Ganges is a major river of the Indian subcontinent and is important to hundreds of millions of people.
The Mekong River flows through mainland Southeast Asia and empties into the South China Sea.
The Volga is the longest river in Europe and flows to the Caspian Sea.
The Rio Grande forms part of the border between the United States and Mexico.
The Yellow River (Huang He) in China is known as 'China's Sorrow' due to its history of devastating floods.
The Rhine River flows through several European countries and is one of Europe's most important commercial waterways.
The Thames River flows through London and has been central to the city's development and history.
The Seine River flows through Paris and is an iconic feature of the French capital.
The Colorado River carved the Grand Canyon over millions of years through erosion.
River deltas form where rivers deposit sediment as they enter larger bodies of water.
Watersheds (drainage basins) are areas of land where all water drains to a common outlet.
The Murray-Darling River system is Australia's longest and most important river system.
The Paraná River in South America forms part of the border between Argentina and Paraguay.
River systems provide freshwater for drinking, agriculture, industry, and transportation.