naica mine

Unbelievable Places

Unbelieveable Place – Crystal Caves in Mexico: Cave of the Crystals is a cave connected to the Naica Mine 300 metres (980 ft) below the surface in Naica, Chihuahua, Mexico. The main chamber contains some of the largest natural crystals ever found! The cave’s largest crystal found to date is 11 m (36 ft) in… More »

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