Watching the sunset over the Bolivian Salt Flats (Salar de Uyuni). I remember being totally awestruck and taken back by this almost perfect mirror. Salar de Uyuni (or Salar de Tunupa) is the world’s largest salt flat, at 10,582 square kilometers (4,086 sq mi). It is in the Daniel Campos Province in Potosí in southwest Bolivia, near the crest of the Andes and is at an elevation of 3,656 meters (11,995 ft) above sea [...]