Taam Ja reveals a 274-meter abyss in Chetumal Bay, the second-deepest blue hole on the planet and a mystery hidden beneath ...

Discover a surreal Florida trail where vanishing streams, hidden caverns, and massive sinkholes create an unforgettable ...

Did you know the Great Blue Hole in Belize is huge? It’s 318 meters (1,043 feet) wide and goes down 124 meters (407 feet). This amazing hole is part of the Belize Barrier Reef, a UNESCO site. It has ...

According to Travel Belize, the country’s Great Blue Hole is a massive marine sinkhole that “is circular in shape and roughly 1,000 feet across (300 meters) and over 400 feet deep (120 meters).” And ...

Researchers found the world's deepest underwater sinkhole in the South China Sea. Chinese scientists plan to study marine life in the newly-discovered hole. Related MORNING MIX: Researchers just ...

Here's what they found at the bottom of the giant, mysterious sinkhole. The Great Blue Hole is a massive underwater sinkhole off the coast of Belize. In the winter of 2018, a crew from Aquatica ...