While exploring the depths of Pettyjohns Cave, we made a surprising discovery – a massive cluster of crystals hidden in a ...

Geologist Juan Manuel García-Ruiz calls it "the Sistine Chapel of crystals," but Superman could call it home. A sort of south-of-the-border Fortress of Solitude, Mexico's Cueva de los Cristales ...

the secret Mexican crystal caves big enough to drive a car through 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 ...

For those looking to explore the depths, here are hidden caves that are sure to provide an amazing experience. The glowworm ...

Previously, the world’s largest examples of selenite crystals came from a nearby cavern discovered in 1910 within the same Naica cave complex. Several examples from the Cave of Swords are ...

Discovered in 1999 inside an abandoned mine in Southern Spain, Pulpí Geode is the largest crystal 'cave' of its kind in the world. But what exactly is a geode and how do crystals form inside them?

Ancient fertility ritual artifacts, including shell bracelets and stone disks, were discovered inside a remote Mexican cave ...

"This is one of the great features in our cave known as Turquoise Lake," said Anderson. Turquoise Lake's deepest point is 10 feet. Calcite crystals in the water give it its beautiful blue color.

The cave's interior slopes downward ... or flower­like clusters of white crystals that spout from the ceiling. After you reach the deepest point, 100 feet, you venture through a series of ...

Through extensive radiocarbon dating of mollusk shells, researchers have confirmed ancient human occupation in Turkey's region.