Postcard Perfect: Salar de Uyuni

105 of 195 Photos | Salar de UyuniPhoto courtesy of kenjito/iStock

Postcard Perfect -- by Lydia Schrandt

When flooded with a thin layer of water, the Salar de Uyuni salt flats in Bolivia create a near perfect reflection of the horizon and the sky above. Salar de Uyuni is the world's largest salt flat, and there's even a hotel made completely of salt where guests can stay.