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. Their mission was to create a 3D map ...

The Great Blue Hole, located off the coast of Belize, has long fascinated scientists ... rock formations hanging from the ceiling of the cave. This finding suggests that the Great Blue Hole ...

A 30-meter sediment core from Belize's Great Blue Hole reveals 5,700 years of hurricane history, showing a sharp rise in ...

Declared a UNESCO World Heritage Site in 1996 – along with six other areas surrounding Belize's barrier reef – the Great Blue Hole remains ... years ago after a cave roof crumbled in, this ...

Moreover, the Great Blue Hole is just a speck amidst the endlessly rich expanses of the Belize Barrier Reef ... while the structure's walls are lined with caves and craters.