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 ...

and a particularly stunning example is Mexico's Cave of the Crystals, an underground cavern filled with giant Selenite crystals. At first glance, the chamber seems like an otherworldly ...

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 ... to the end of ...