Gabriel Rojo / Smoke column from a fire in the Calden Forest, during the summer season, south of the province of La Pampa, Argentina. January 2017.

David Noton / View of the Quebrada de la Conches from the Mirador Tres Cruces, Valles Calchaquies, Salta Province, Argentina. January 2017.

Karine Aigner / Portrait of a Hoatzin (Ophisthocomus hoazin) on black background. Yasuni National Park, Ecuador.

Maxime Aliaga / Lava and volcanic landscape, Santiago Island, Galapagos

Maxime Aliaga / Iguazu waterfall on the border of Brazil, with rainbow, Iguazu National Park, Argentina

Pete Oxford / Paramo or high Andean tundra ecosystem, Chimborazo Forest Reserve, Andes, Ecuador. August 2016.

John Shaw / Salt cones on the Salar de Uyuni, Bolivia. March. The Salar is the world's largest salt flat, at over 10500 square kilometers. Salt is shoveled into these cones, to be collected later.

John Shaw / Thermal spring drains into Laguna Salada, in the high altiplano, Bolivia. In the distance, whirlwinds of salt dust rise from the shore. March 2014.