Listed for $1.75 million in Shelbyville, Tennessee, is the most unusual, and cool, bunker you might ever see - mainly because ...

Boyden Cavern in Kings Canyon National Park offers visitors a glimpse into a glittering underworld, thanks to preservation ...

Lake Shasta is at 106% capacity for the third consecutive year due to abundant rainfall. Local businesses, including Lake ...

Quick LinksWhen Blue Tears Overflow Challenge, ExplainedHow to Snap Blue Tears in Campsite CavernThere's seldom a shortage of ...

For centuries, humans have lived underground. Today, that ancient practice is under dire threat—even as cave life makes more ...

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

Traveling around Eagle County, it is easy to wonder about the interesting geological features that dot the landscape. While ...

Travelers look beyond the usual summer spots that are cooler than the beach, with underground attractions and cavern escapes ...

With pale skin, a slinky body, and puny limbs, the olm resembles a ghostly, aquatic serpent that spends its life in dark, ...

Is Arizona's most beautiful place an iconic red rock butte, a blue-green waterfall or an otherworldly cave formation? Vote in our stunning views poll.

Turns out there are snowmelt-fed underground streams that flow through the cave and drain into the Kaweah River system, ...

Boarding an open-air bus, you’ll embark on a tour through 1,500 acres of rolling Pennsylvania hills and forests, where North ...