The seven-level cave system in Bellevue features unique rock formations and an underground river, discovered in 1872 when a ...

Explore a lesser-known caver's paradise in this Oklahoma state park where you can see rare, natural gypsum with a guided tour ...

The stunning cave in Naica, Mexico, is home to some of the largest crystals on Earth, but harsh conditions can kill those who stay too long.

Alabaster Caverns State Park near Freedom, Oklahoma houses a geological masterpiece that transforms an ordinary day trip into an extraordinary journey through time and earth. You might think you know ...

Alabaster Caverns State Park near Freedom, Oklahoma offers a subterranean adventure that transforms ordinary Tuesday afternoons into extraordinary explorations of geological marvels.

Crystal Cave in Sequoia National Park, California, reopens for the season, offering guided tours and a magical underground experience after a 4-year closure.

Crystal Cave, located in Sequoia National Park, reopens to the public on May 23 after a four-year closure due to fire and weather damage. Visitors can purchase tickets for guided tours, ...

Cave resource management specialist with the park, Rick Toomey, said Crystal Cave is impressive even by modern standards, with its wide caverns and flower-like gypsum formations that burst from the ...

Cave resource management specialist with the park, Rick Toomey, said Crystal Cave is impressive even by modern standards, with its wide caverns and flower-like gypsum formations that burst from the ...