Staff at Carlsbad Caverns National Park in New Mexico scorned the unknown visitor who discarded the Cheetos pack in the Big ...

Sarawak Chamber, briefly illuminated by dozens of flashbulbs, is the largest cave chamber yet discovered on Earth—more than twice the size of Britain’s Wembley Stadium—and home to thousands ...

The bright orange bag was spotted off trail by a Carlsbad Caverns National Park ranger during one of the regular sweeps that ...

In the southeast corner of New Mexico, near the Texas border, you'll find the Carlsbad Caverns. This Big Room at this national park is the largest cave chamber in the United States. It's so big, it ...

This story appears in the July 2014 issue of National Geographic magazine. Crouched on the floor in the mud in one of the biggest cave chambers in China, one of the biggest in the world, we can ...

Petty Officer Saman Gunan lost consciousness on his way out of the Tham Luang cave complex, where he had been delivering air tanks. The boys have been trapped for nearly two weeks in a chamber in ...

Officially known as the Upton Stone Chamber, the artificial stone cave is just one of hundreds of similar chambers across New England. The igloo-like underground space is located at 18 Elm St. and ...

Evidence of rising, acid-rich springs clung to every chamber. This cave had clearly built itself from the bottom up, rather than the top down. The ancient chemical soup had deposited not only deep ...

For the Star Chamber, visitors will travel by lantern light to experience the cave’s winding passages as the earliest adventurers would have. History buffs may want to check out the Gothic ...