Paraná Delta is a huge swamp forests about 32 northwest of Buenos Aires, Argentina.
Spanning the southern tip of the Florida peninsula and most of Florida Bay, Everglades National Park is the only subtropical preserve in North America.
Richat structure called a geological formation in the Maur Adrar Desert in the African country of Mauritania.
Brazil Araca River is a tributary of Black River, which flows into the Amazon.
On the border between Chile and the Catamarca province in Argentina is a vast field of currently dormant volcanoes.
Nicknamed "Dragon Lake," this body of water comprises Bratskove Reservoir, built along the Angara River in southern Siberia, near the city of Bratsk.
Parts of Kenya and Tanzania, Africa can be seen in this picture.
Ephemeral Lake Carnegie, in Western Australia, is filled with water only during periods of significant rainfall. In dry years, is reduced to a muddy swamp.
Complex patterns can be seen in the shallow waters along its coastline, where silt carried by the Geba and other rivers of lava in the Atlantic Ocean.
