He looks likely to win the race for New York City mayor in November — yet even if he loses, socialists have won the fight for ...

Looking for an adventure that’s cool (literally) and completely out of the ordinary? The United States is home to some of the ...

Krem Liat Prah is India's longest natural cave (≈approximately 30.9 km), renowned for its 'Aircraft Hangar' trunk passage, ...

Stretching for hundreds of miles beneath the surface, this is the largest cave system in the United States — a hidden world ...

Around 700,000 people visited Mammoth Cave National Park last year. Until the shutdown ends, all underground cave tours are ...

Lantern light limestone and a river powered maze make this Kentucky cavern the state’s most mesmerizing underworld.

If you're looking to do some cave diving, look no further than the Cherney Maribel Cave County Park.

Though cave tours at the Mammoth Cave National Park have been suspended, visitors can still access campgrounds and trails.

The longest underground cave in Southeast Asia, and the eighth longest in the world, stretches 265km beneath the earth in ...

Amid the quiet wilderness of Sarawak’s tropical rainforest, the Niah Caves rise majestically – the largest and oldest ...

Jewel Cave, South Dakota: America’s third-longest cave system offers wild tours requiring participants to scramble over ...

We’re also up to our knees in Paul Bunyan kitsch here in the Land of 10,000 Lakes, so I expected very little when I pulled ...