Spooky, wonderous, stalactite-y: Crystal Cave in Sequoia National Park returns this summer season for guided tours after a four-year closure due to consecutive natural disasters in the national park.

Crystal Cave in Sequoia National Park is reopening for guided tours after a four-year closure due to natural disasters. The cave, formed in 200 million-year-old marble, features unique geological ...

LOUISVILLE, Ky. (WDRB) -- Two Kentucky lawmakers are banding together in an effort to expand Mammoth Cave National Park. Thursday, Sen. Mitch McConnell and Rep. Brett Guthrie introduced the ...

Read more. Story idea? [email protected]. Mammoth Cave National Park, home to the world’s longest known cave system, could soon grow. Bicameral legislation filed Thursday by ...

Here are seven caves worth the visit. Formed almost 400 million years ... it can get pretty chilly down in these depths. Towering high above the Grampians National Park, the aptly named Hollow ...

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 ...