The Patagonian Desert, also known as the Patagonian Steppe, is a semiarid scrub plateau. The Patagonian steppe ecoregion, also known as the Magellanic Steppe, mainly covers the Patagonia region of Argentina to barely across the border into Chile.
Península Valdés is a site of global significance for the conservation of marine mammals. It is home to significant biodiversity including highly fragile terrestrial and marine ecosystems. The dynamic coastal zone features rocky cliffs, shallow bays, coastal lagoons, pebble beaches, and small islands.
The Peru–Chile Trench, also known as the Atacama Trench, is an oceanic trench in the eastern Pacific Ocean off the coast of Peru and Chile. It delineates the boundary between the subducting Nazca Plate and the overriding South American Plate.
Quebrada de Humahuaca, a natural valley corridor in northwestern Argentina, has been used over the past 10,000 years as a passage for the transport of people and ideas from the high Andean lands to the plains. Its settlements and field systems form a dramatic addition to the outstanding landscape.
Rincón de la Vieja Volcano National Park spans over 34,000 acres and helps protect both montane forests and dwarf cloud forests. Rincón de la Vieja Volcano, an active andesitic complex volcano, is set within the park and is one of six active Costa Rican volcanoes.
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.
Formed by the most extensive and diverse coral reefs in the Colombian Caribbean continental coastline, the Rosario and San Bernardo archipelagos are protected by the Rosario and San Bernardo Corals National Natural Park.
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 coastal 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.