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 ...

Russian explorers discovered a lifeless body hanging deep inside Veryovkina Cave, the world’s deepest known cave. 35 shot, 5 dead, in Chicago amid Trump's threat to deploy National Guard Bruce ...

The idea of disappearing into some of the world’s deepest pockets submerged in pitch black water, with only the sound of ...

Looking for an adventure that’s cool (literally) and completely out of the ordinary? The United States is home to some of the world’s most fascinating cave systems, each with its own story carved by ...