Postcard Perfect: Salar de Uyuni

1 of 91 Photos | Salar de UyuniCheck out the original from kenjito/iStock
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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.