Stretching along 600 miles of Northern Chile's Pacific coast is the dryest non-polar region on Earth: the desolate Atacama Desert. From menacing volcanoes to wondrous natural geysers, experience one of South America's last great wild lands, one that few have ever laid eyes on.

pt. 1. The Atacama Desert: Driest Region on Earth -- pt. 2. The Valley of the Moon -- pt. 3. The El Tatio Geysers -- pt. 4. ALMA: The Study of the Universe and Its Origins -- pt. 5. The Altiplano: High Plains of the Andes.