The Cave of the Crystals in Chihuahua, Mexico is not only a stunning geological wonder but also incredibly dangerous to visit ...

The Cave of the Crystals in Chihuahua, Mexico, is buried almost 1,000 feet beneath the Sierra de Naica Mountain. It was first discovered in 2000 after water was pumped out for mining.

For most people, scuba diving in Mexico is an exciting vacation adventure. For Fernando Calderon Gutierrez, it’s just another day at the (underwater) office. A postdoctoral research assistant at ...