More than two kilometres beneath the surface of the western Caucasus Mountains lies the deepest known cave on Earth. Known as Veryovkina Cave, this vertical limestone system descends to a measured ...

A climber's body was recovered from the world's deepest cave, nine months after he plunged to his death while his devastated family desperately searched for answers. Veryovkina Cave stands as the ...

Divers don't stay long in the Cetina Spring cave, and for good reason. The water is near 8°C, which reduces exploration time even for experienced teams. Beneath the bright blue surface, there's a ...