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 ...

Deep inside a remote Mexican cave, a pair of explorers thought they had stumbled on modern litter, the kind of plastic and debris that too often mars even the most isolated landscapes. Instead, they ...

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.

His wedding was the first time a ceremony was held inside the San Antonio-area caverns.