The city of Uyuni is the starting point for tours to the world's largest salt flats. Visiting the Uyuni Salt Flats in Bolivia is a once in a lifetime experience. For photographers, the salt flats of Uyuni are a real paradise. Visit the antique train cemetery and go on a hike over the Incahuasi Island. Having many interesting and impressive places to offer, tourists can easily spend three days in the salt flats.