Cayman Crystal Caves are located near Old Man Bay on the island's North Side. They are only accessible by tour, which must be booked in advance. Tours are available on the hour from 9 a.m. to 4 p ...

The death of a Kentucky cave explorer a century ago is being remembered as a catalyst for the formation of Mammoth Cave ...

Collins' Crystal Cave, which remained a tourist destination ... Guides also frequently cover Collins’ story on regular cave tours and during other programming. Toomey said “having Mammoth ...

The caves covered in crystal formations surround a 55-foot deep ... the magnificent beauty of the crystals while on a guided tour. Most visitors praised the informative tour guides and the ...

Deep in the tropical forests of Grand Cayman lies a unique excursion: the Cayman Crystal Caves. These limestone caverns host a plethora of beautiful mineral formations, and tours allow you to ...

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?