Photo: Carsten Peter
Discovered in 2000 by two brothers who were drilling below the Naica Mine near Chihuahua, Mexico, the Cave of Crystals is a glittering spectacle with temperatures that can reach up to 112 degrees. Many of the crystals, which are estimated to be about 600,000 years old, can be several feet thick, and the smaller ones are razor sharp. Forget diamonds; if you really love a woman, take her to a cave filled with crystals bigger than her wildest dreams.
Cueva de los Cristales (Mexico)
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