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

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

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.

Grand Canyon Caverns and restaurant have opened after being closed for nearly 3 years. Here's why it closed and how to go ...

Carlsbad Caverns National Park in southeastern New Mexico is home to 119 known caves, including North America's largest cave chamber, the Big Room. When you purchase through links on our site, we ...

The Natural Bridge Caverns are home to the biggest commercial cave system in Texas. Above-ground adventures include zip lining, a rope course, a maze, gem mining, shopping and dining. But the ...

Supt. Thomas Boles reveals that 116,457 persons visited the caverns in 1935, and that 150,000 will visit them this year. They come from every state in the union and from many foreign countries.

At around 125 million years old, the Cascade Caverns cave is geographically young, but it obviously holds a lot of history. Spelunking through the entrance, your change in elevation is marked by a ...

From the famous Kubla Kahn formation at Kartchner Caverns to the deep history of Colossal Cave, here's what to know about 10 thrilling Arizona caves.