The Cave of Crystals, also known as the Giant Crystal Cave, is a cave connected to the Naica Mine at a depth of 300 meters (980 ft) in Naica, Chihuahua, Mexico. It takes the form of a chamber ...

The Cave of Crystals is an underground cavern filled with tree-size gypsum crystals, including some of the largest natural ...

Naica’s Crystals Cave, maybe the most amazing underground wonder on Earth, was discovered by chance inside the deep mine of Naica, in the State of Chihuahua, Mexico. It is a true geode: a cave ...

Deep below the surface of an isolated mountain range in Mexico sit two ... of selenite crystals came from a nearby cavern discovered in 1910 within the same Naica cave complex.