Thankfully, the cave has essentially been restored to the state it was in before discovery, which will help to protect the crystal formations, and prevent the giant columns of selenite from ...

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 ...

Naica’s Crystals Cave, maybe the most amazing underground wonder on Earth, was discovered by chance inside the deep mine ... is no longer accessible due to the end of mining activities. Giant crystals ...

NGC goes inside one of the greatest natural marvels on the planet - a giant crystal cave described as Superman's fortress, with magnificent crystals up to 36 feet long and weighing 55 tons.