Plunge into this deep blue hole and you'll discover imposing ancient ... you'll gaze upon the Lighthouse Reef, an ocean freight wreck and Turneffe Atoll. Hol Chan, Shark Ray Full-Day Snorkeling ...

A massive 'gravity hole' pulling down the Indian Ocean has stumped scientists for years, but the mystery may have just been ...

They often appear as a dark blue colour due to its depth, creating a distinct visual contrast against the surrounding water ...

Offshore flooded caves, so-called ocean blue holes ... Without the unique geologic structure of the inland blue holes—deep, dark, sheltered, with little tidal flow—specialized bacteria ...

Named for its deep turquoise, crystal-clear water, the Blue Hole is located a little over a mile from the heart of Ocho Rios. Past visitors have said a trip to this natural wonder is a must-do ...

This striking satellite image, taken from Google Maps in 2021, shows a bizarre, jet-black, triangular structure in the middle of the Pacific Ocean. At the time, the mysterious object, which was widely ...

It's called the Great Blue Hole ... fallen into the hole and suffocated, really. Narrator: Past the conch graveyard and toward the bottom of the hole, around 120 meters deep, the team found ...