Salar de Uyuni in South American Bolivia is referred to by many as the World’s Largest Mirror. Given that it spreads over an area of 4,085 square miles (10,582 square kilometres), it truly is a vast reflective surface but the most amazing part is that this large mirror is all natural.
Salar de Uyuni. Some 40,000 years ago, the area was part of Lake Minchin, a giant prehistoric lake. When the lake dried, it left behind two modern lakes, Poopó Lake and Uru Uru Lake, and two major salt deserts, Salar de Coipasa and the larger Uyuni. Uyuni is roughly 25 times the size of the Bonneville Salt Flats in the United States.

