The Salar de Uyuni, located in the southwestern portion of the South American country of Bolivia, are the largest salt flats in the world. When salty prehistoric lakes in the region dried out and transformed, they left behind an extremely flat expanse of salt crust. A thin layer of brine (basically saltwater) covers the surface, making the flats the world’s largest natural mirror.
Check out more pictures below. Click on a thumbnail to view the full size images.