VALLECITO, Calif. — Oak trees and vineyards dot the rolling hills of Calaveras County, tucked away between Yosemite National Park and Lake Tahoe, a place with four distinct seasons that lend ...

Add Yahoo as a preferred source to see more of our stories on Google. On the border between Chile and Argentina, on the edges of a turquoise lake in the heart of Patagonia, one of the world's most ...

A marble mine is built to extract stone, not uncover natural wonders - but that’s exactly what happened here. Deep inside the ...

Beneath the United States lies a surprising network of caves shaped over millions of years. Some feel almost otherworldly, with strange rock formations and the occasional glow from naturally occurring ...

With the introduction of an innovative new virtual reality tour at the Marble Arch Caves in County Fermanagh, it is now possible for everyone to explore the beautiful subterranean world of this UNESCO ...

From cave kisses to albino creatures to crystal clear pools, caves and caverns are a unique world to discover for travelers.

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

SEQUOIA NATIONAL PARK (KFSN) -- After a four-year closure, Crystal Cave in Sequoia National Park is finally opening to visitors again. Tickets for guided tours of the underground marble cave go on ...

Cave exploration -- or spelunking -- is an affordable, family-friendly activity that can feel like a bona fide adventure. Spurred along by changes in the atmosphere involving wind, water, sand erosion ...

The caves are accessible by a boat.

Add Yahoo as a preferred source to see more of our stories on Google. After a four-year closure, Crystal Cave is inviting visitors to "marvel at its underground splendor," Sequoia Parks Conservancy ...