In the Bahamas islands, the world’s best cave divers plunge into the abyss. They’re exploring underwater caves, littered with mysteries and divers who didn’t get out alive.
They face cave-ins, blackouts, panic. They do it for the rush, they do it to be first, and they do it to find ancient bones.
These caves are blue holes, liquid time capsules where the past stares right back at you.
Now, extreme divers try to solve the mystery of a lost world. But can they survive this alien place, under pressure, underwater, underground? Extreme Cave Diving, right now on this Nova/National Geographic special.
