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 ...

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.

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.

The reef's Great Blue Hole is popular with divers World heritage body Unesco has removed the Belize Barrier Reef from its list of endangered World Heritage Sites after nine years. It said the ...

Here’s exactly how to spend seven amazing nights in Belize. JohnnyGreig/Getty Images The Great Blue Hole within Belize's ...