Salar de Uyuni is the world’s largest salt flat. The tour also included the Train Cemetery, Isla de los Pescados, Isla Incawasi, Laguna Hedionda, Arbol de Piedra, Laguna Colorada, Solar de Manaña geyser, Laguna train graveyard, train cemetery, Isla de los Pescados, Isla Incawasi, Laguna Hedionda, Arbol de Piedra, Laguna Colorada, Solar de Manaña geyser, and Laguna Verde.