The Ring of Fire is an area in the Pacific Ocean basin where many earthquakes and volcanic eruptions occur as a direct result of plate tectonics: the movement and collision of lithospheric plates. The Andean Volcanic Belt is a major volcanic belt along the coast of South America.
Río de la Plata is a tapering intrusion of the Atlantic Ocean on the east coast of South America between Uruguay to the north and Argentina to the south. It empties into the Atlantic Ocean. The Rio de La Plata drainage basin is bounded by the Brazilian Highlands, the Andes Mountains and Patagonia.
Salar de Uyuni is an arid, windswept salt flat in southwestern Bolivia. It is considered one of the most remarkable vistas on earth and is a major breeding ground for several species of flamingos. Isla Incahuasi is a former island situated in the middle of the Salar.
The Serra do Mar is a 1,500 km (930 mi) long system of mountain ranges and escarpments in southeastern Brazil. Serra do Mar State Park and the Serra do Mar Ecological Corridor encompass and protect one of the largest remaining areas of continuous Atlantic Forest.
The Serranía de Chiribiquete or Chiribiquete Mountains are a group of isolated table mountains in the Amazon Region of Colombia, which is a part of the massive Amazon Rainforest. The area is protected as a National Park.
The Sierra Nevada de Santa Marta is an isolated mountain range separated from the Andes chain that runs through Colombia. Just 26 miles from the Caribbean coast, it is one of the world's highest coastal ranges, culminating in the snowcapped Cristóbal Colón, the highest peak in Colombia.
The Sierras Pampeanas (also called Central Sierras) is a geographical region and chain of mountains that rise sharply from the surrounding Pampas region of northwestern Argentina. They run parallel to the Andes, cross into seven Argentine provinces, and may be cataloged into sub-regions.
The Southern Patagonian Ice Field, located in the Southern Patagonic Andes between Chile and Argentina, is the world's second largest contiguous extrapolar ice field. It is the larger of two remnant parts of the Patagonian Ice Sheet, which covered all of southern Chile during the last glacial period,.
The Altiplano, also called Puna, is a region in west-central South America in the area where the Andes are the widest. It is the most extensive area of high plateau on earth outside Tibet. The bulk of the Altiplano lies in Bolivia but its northern parts lie in Peru and its southern parts lie in Chile and Argentina.
Stretching across Brazil, Bolivia and Paraguay, the Pantanal is a natural region encompassing the world's largest tropical wetland area. Although not as well known as the Amazon Rainforest to its north, this gigantic seasonal floodplain is also home to a staggering variety of plants and wildlife.