Crystal Cave, one of the most popular attractions in Sequoia and Kings Canyon National Parks, will reopen for tours in May, the Sequoia Parks Conservancy announced Tuesday. Tickets will go on sale in ...

It’s not just a catchy motto hanging on the wall at Mentor Salt Cave, it is at the heart of what the business is all about. Husband and wife owners Dave and Amy Wojciechowski opened the Mentor Avenue ...

A well-known record-setting cave diver with decades of experience died in Texas while exploring one of the deepest underwater cave systems in the nation. Brett Hemphill, 56, was on an expedition in ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." No other accommodation brings you this close to the earth while feeling completely otherworldly. There’s ...