* The Andes Mountains: The Andes Mountains are the longest continental mountain range in the world, stretching over 7,000 kilometers (4,350 miles) along the western coast of South America. They are also the highest mountain range outside of Asia, with several peaks over 6,000 meters (19,700 feet) tall. The Andes Mountains are home to a variety of ecosystems, including rainforests, grasslands, deserts, and glaciers.
* The Amazon Rainforest: The Amazon Rainforest is the largest rainforest in the world, covering an area of over 5.5 million square kilometers (2.1 million square miles). It is home to an estimated 10% of the world's known species, and is considered to be one of the most biodiverse places on Earth. The Amazon Rainforest is also a major source of oxygen and rainfall for the region, and plays an important role in the global climate system.
* The Altiplano: The Altiplano is a high plateau located in the Andes Mountains of Bolivia. It is the highest plateau in the world, with an average elevation of over 3,500 meters (11,500 feet). The Altiplano is home to a variety of unique ecosystems, including salt flats, volcanic lakes, and geysers.
* The Pantanal: The Pantanal is a vast wetland located in the southwestern part of Brazil, and extends into Bolivia and Paraguay. It is the largest wetland in the world, covering an area of over 150,000 square kilometers (58,000 square miles). The Pantanal is home to a rich diversity of wildlife, including jaguars, capybaras, and caimans.
* The Salar de Uyuni: The Salar de Uyuni is the world's largest salt flat, covering an area of over 10,000 square kilometers (3,900 square miles). It is located in the Altiplano of Bolivia, and is a remnant of a prehistoric lake. The Salar de Uyuni is covered in a thick layer of salt, which creates a surreal and beautiful landscape.
