Tickets for guided tours of the marble cave will go on sale at 10 a.m. on March 31. The cave features stunning stalactites and intricate formations.

Crystal Cave, the ancient marble cavern at the end of a steep half-mile hike in Sequoia National Park, is slated to reopen to ...

Loper Endowed Professor of Geological Sciences Hazel Barton presented some of the details and findings from her exploration ...

SEQUOIA NATIONAL PARK (KFSN) -- After a four-year closure, Crystal Cave in Sequoia National Park is finally opening to ...

Kayla tries to uncover Penn’s plans in the ruthless Southlands, as Rustus hunts for prophecies within the hidden Crystal Caves. Meanwhile, Alethea must journey to a new realm to unite the people ...

Among them, the pristine Lechuguilla Cave and the famed Carlsbad Cavern, home to one of North America's largest underground chambers. But there's more to this subterranean world than gigantic ...

Why it's awesome: This deadly, yellow centipede has evolved to live in the Movile Cave — a pitch black, sulfurous underground system untouched by sunlight for more than 5 million years.

As we navigate the maze-like passages, we stumble upon a hidden cave deep within the mine, leading us into an incredible underground world. With ropes guiding the way, we descend into crystal ...