Scientific divers deploy a technological arsenal to explore a twilight zone of Ice Age reefs in Bermuda.

Boost your adrenaline and let the current sweep you away diving in British Columbia's Sunshine Coast — plus, get photo tips on how to shoot the marine life.

What dive is worth camping out in the Nullarbor desert, 500 miles from the nearest town? An exploration of Australia's immense Olwolgin cave system.

A Jupiter, Florida, dive operator is hand-feeding sharks in U.S. waters. Is this high-adrenaline dive really good for sharks or the dive industry?

Alexander the Great thought that Egyptian Desert Springs were connected underground, and this team of tec divers brave the Arab Spring to trace his footsteps.

A Black Sea wreck is celebrated, while the sister sub that may have torpedoed it is left to oblivion. The true story will make your hair stand on end.

Want to scuba dive on a rebreather? Read how to get trained and experience diving with no bubbles in the beautiful Caribbean Island Grand Cayman.

Looking for your next shark dive to get ready for Shark Week? Diving with great hammerheads in Bimini, Bahamas, is the newest, hottest shark aggregation.

Goliath grouper spawning off Florida's coast is an epic adventure if you're lucky enough to find the party.