Salar de Uyuni, Bolivia is a must-see destination for any traveler. Located in the southwestern corner of Bolivia, this stunning salt flat is the largest in the world, spanning over 10,000 square kilometers
From Wikipedia
Salar de Uyuni is the largest salt flat in the world, with an area of approximately 10,582 square kilometres (4,086 mi2). It is situated in southwestern Bolivia, within the Daniel Campos Province of the Potosí Department, near the crest of the Andes Mountains, at an elevation of 3,656 m (11,995 ft) above sea level.