The Great Blue Hole, located off the coast of Belize, has long fascinated scientists ... Read also: Turtle sets deep-sea record with 4,408-foot dive in Solomon Islands Inside heist at Tenerife ...

Jacques Cousteau made the Great Blue Hole famous in 1971. Now, it’s a top spot for diving. The Belize Pro Dive Center has logged over 15,000 dives here. Divers of all levels come to see its ...

Narrator: There's a massive underwater sinkhole off the coast of Belize that extends 125 meters into the Earth's crust. It's called the Great Blue Hole. Scuba divers and snorkelers have been ...

Plunge into this deep blue hole and you'll discover imposing ancient stalactites (calcium deposits resembling icicles) and coral fringe. Declared a UNESCO World Heritage Site in 1996 – along ...