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Cave of Crystals, Mexico

Photo: Cave of Crystals, Mexico

This Month in Photo of the Day: National Geographic Magazine Features

Massive beams of selenite dwarf human explorers in Mexico's Cave of Crystals, deep below the Chihuahuan Desert. Formed over millennia, these crystals are among the largest yet discovered on Earth.


See more photographs from the November 2008 feature story "Cavern of Crystal Giants."

Photograph by Carsten Peter, Speleoresearch & Films

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Adventure Videos

Check out adventure videos from our West Coast Adventure Editor Steve Casimiro and go "Behind the Lens."

Photo Tip of the Week

Long Exposures

When making long exposures, use a remote release to avoid camera movement. If you don't have a remote release, use the camera's self-timer.

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