Image of the Day: The Lost Crystal Ice Caves – A Biological Mystery Beneath the Earth

Crystal-cave-Carsten Peter & Speleoresearch and films    

Encased in ice-cooled orange suits, scientists explore the Cave of Crystals, discovered a thousand feet (304 meters) below Naica, Mexico, in 2000. Expeditions in 2008 and 2009 uncovered biological mysteries, parallels with other planets, and the "Ice Palace," an unexplored cavern lined with rare crystal formations, according to Into the Lost Crystal Caves, a National Geographic Channel documentary that premieres tonight.

The Lost Crystal Ice Caves


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