The Amazon River in South America is the largest river by discharge volume of water in the world, and the longest or second-longest river system in the world, a title which is disputed with the Nile.
Satellite image of the Amazon Delta
Old drawing (from 1879) of Arapaima fishing at the Amazon river. The arapaima has been on Earth for at least 23 million years.
Amazon tributaries near Manaus
Amazonas state
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern subregion of the Americas.
Scheme for geographic regions and subregions used by the United Nations Statistics Division
A composite relief image of South America
The Gran Roque village, the largest settlement of the Los Roques Archipelago, Venezuela
The prehistoric Cueva de las Manos, or "Cave of the Hands", in Argentina