Terrence Tysall set a record scuba diving to the Edmund Fitzgerald. Ric Mixter dove in a submersible, finding a missing body. Here are their stories.

The Great Blue Hole is the largest sea hole in the world and is in the center of Lighthouse Reef, a small atoll near the ...

Director Ron Howard breaks down a cave diving scene from new film 'Thirteen Lives' starring Colin Farrell, Viggo Mortensen ...

In 1973, eight young divers entered a narrow sinkhole on Australia’s Limestone Coast known as The Shaft. They planned a quick descent to 76 meters - deeper than any recreational diver should go - but ...