The crew, who were mining for ore deposits, uncovered a vast cavern in the limestone ... to be the purest form of selenite crystal in the world. The Cave of the Crystals, or Cueva de los cristales ...

The cave's unique features include vast chambers ... on guided tours that take them through the caverns, culminating in a boat ride on the crystal-clear waters of the Lost Sea.

This is how Antonio De Vivo, the caver of the Associazione Geografica La Venta", describes the incredible cavern "La Grotta ... refrigerated suits to “crystal-friendly” boots, in order to guarantee a ...

Visitors will be able to enjoy a half-mile loop through the narrow passages and steep sections of the stunning marble cavern ...

Once submerged under the sea millions of years ago, the Cayman Crystal Caves were shaped by water erosion, creating rooms filled with stalagmite and stalactite formations. Over time, dripping ...

has died while exploring one of the deepest underwater caves in the U.S. Brett Hemphill set off on an expedition in the Phantom Springs Cave in Texas on Oct. 4. His body was recovered on Sunday ...

U.S. News Insider Tip: Café Olé, just outside the Crystal & Fantasy Caves, has one of the best fish sandwiches on the island. A sun hat is essential because you'll sit in the garden while they ...

Crystal Cave, the ancient marble cavern at the end of a steep half-mile hike in Sequoia National Park, is slated to reopen to visitors this summer after four years of closure.The cave features a ...

The stalactites and stalagmites of Sequoia National Park’s Crystal Cave ... as tall as a 20-story building. The cave is one of about 275 known caves in Sequoia and neighboring Kings Canyon ...

Tickets will not be available for purchase at Crystal Cave. Crystal Cave, the second-largest of 275 known caves in Sequoia and Kings Canyon National Parks and the fourth-largest in California, boasts ...