The deepest free-fall pit in the lower 48 United States, the Fantastic Pit features a staggering 586 feet (179m) drop - a ...

A team of researchers from the University of Alicante and the University of Zaragoza uncovered around fifteen Roman ...

Cutting a jagged path through the limestone of the Arabika massif on the edge of the Black Sea ... Cave drops down a chain of pitches, cascades, and pits—some more than 100 meters (328 feet ...

“The deep sea, outer space, and caves: Those are the only frontiers left,” says Coons, who does his exploring in a lightweight helmet with a small flashlight duct-taped to the brim.

Yet, found in the western Pacific Ocean, in the ocean territory of the Federated States of Micronesia, lies the deepest point of the seabed - that we know of so far. It is found within the ...

Kentucky’s vast and unexplored cave systems are home to some of the most mysterious animals on Earth. From blind fish to ...

The caves once existed above the water line, but were flooded when sea levels rose. Deep within these underwater caves are formations which can only be formed in dry caves - spectacular sculptural ...