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 ...

While the Great Blue Hole has silently recorded history for thousands of years, its latest revelations are a loud warning.

Scientists have expressed concern after one of the world's most unusual natural sites has uncovered a "concerning secret".

‘A 30m-long sediment core from the Great Blue Hole, a marine sinkhole offshore Belize, provides the longest available, continuous, and annually resolved tropical cyclone frequency record.

Belize's Great Blue Hole is one of Earth's most mysterious features ... Only divers with at least 24 dives under their belt are allowed inside. 7. In 2012, the Discovery Channel ranked the ...

Declared a UNESCO World Heritage Site in 1996 – along with six other areas surrounding Belize's barrier reef – the Great Blue Hole remains one of the world's most distinguished scuba sites.