Deep underground, flowing water leads explorers into a cave shaped by constant motion and time. The waterfall inside Nash Cave reveals narrow passages, slick rock, and areas rarely documented.

Explorers searching for a cave rumored to run for miles descended into a massive underground system filled with cold air and deep chambers. After navigating pits, breakdown piles, and underground ...

A "legendary" Texas cave explorer who took part in the first wedding ceremony to be officiated in Texas' Natural Bridge ...

Explorations of a submerged passage in the Tlayococ cave in Mexico led to an undiscovered room. Within the room, cave explorers discovered bracelets sitting atop stalagmites and other artifacts from a ...

The Hranicka Abyss is at least 1,325 feet deep, and likely goes down further. — -- A team of explorers believe they have discovered the deepest known underwater cavern the world in eastern Czech ...

Explorations of a submerged passage in the Tlayococ cave in Mexico led to an undiscovered room. Within the room, cave explorers discovered bracelets sitting atop stalagmites and other artifacts from a ...

A national park in Kentucky has the longest known cave system in the world. This week, Floyd Collins is being remembered there. He was an explorer whose death a century ago became an international ...