Like a pinprick piercing the azure Caribbean Sea, the Great Blue Hole is as mysterious as it is mesmerizing. From above, this almost perfectly circular underwater sinkhole is a deep, dark bullseye ...

There’s a spot in the ocean that looks like a portal to another world. The Great Blue Hole, about 43 miles off the mainland of Belize, is a giant sinkhole near the center of Lighthouse Reef. The ...

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 with six ...

In 1971, underwater explorer and ocean conservationist Jacques Cousteau parked his ship in the middle of Lighthouse Reef, some 40 miles off the coast of Belize, to dive what would become one of the ...

The "Great Blue Hole" couldn't be a more fitting name for the underwater sinkhole off the coast of Belize. The circular site, which can be viewed from space, has become a bucket-list destination for ...

Virgin billionaire Richard Branson joined a new mission to solve one of the most captivating mysteries of the ocean – what lies at the bottom of the Great Blue Hole in Belize? The Great Blue Hole in ...

Personal submarine technology is not new to most superyacht owners. In fact, most new superyachts being commissioned these days have dedicated space to store and launch a sub just like the do for all ...

Blue holes are worldwide attractions for amateur and professional divers alike. Here are the world's five best blue holes. Snorklers swimming over Dean´s Blue Hole with a depth of 202 meters on June ...

Following is a transcript of the video. 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 ...