Son Doong, the world's largest cave in central Vietnam, ranks among the world's most surreal destinations, according to U.K. travel magazine Wanderlust. Sinkhole 1 aka "Watch Out for Dinosaurs" inside ...

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

When you buy through links on our articles, Future and its syndication partners may earn a commission. McGinnis' nail tooth (Clavusodens mcginnisi) depicted hunting a crustation in a reef-like ...

Ash Cave’s new historical marker reveals Indigenous artifacts, geological origins, and its role as a 19th-century gathering ...

Carlsbad Caverns National Park officials cautioned a traveler who'd left their chips packet in the Big Room last year, claiming it caused the perfect storm.

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

A rare bite into the past. The fossilized tooth of a newly discovered ancient shark species – dating back about 340 million years – has been unearthed in the world’s largest cave system, officials ...