Inside, visitors find an otherworldly sanctuary decorated with five tones of crystal from the Diamond Cave in Arkansas, faux rock formations, artificial stalagmites and stalactites, and a series ...

As such, they are believed to be the purest form of selenite crystal in the world. The Cave of the Crystals, or Cueva de los cristales, as it was dubbed, is a horseshoe-shaped chamber roughly 358 ...

The infernal environment and the presence of the crystals has required the development of specific equipment and technology, ranging from refrigerated suits to “crystal-friendly” boots, in order to ...

The stalactites and stalagmites of Sequoia National Park’s Crystal Cave, a sprawling subterranean wonder that’s been closed for four years, will be accessible again this summer. But to get in ...

Like the majestic General Sherman tree, lush Crescent Meadow and the awe-inspiring Congress Trail, Crystal Cave has long been among the greatest visitor attractions at Sequoia National Park.

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 ...