Following is a transcript of the video. 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.

From above, this almost perfectly circular underwater sinkhole is a deep, dark bullseye amidst the electric blue waters and ...

The Belize Blue Hole has been a site of myth and ... and recorded high-resolution footage of the interior of the sinkhole. The trip also aimed to highlight Ocean Unite’s mission to promote ...

Nearly 27,000 years ago, a giant ground sloth traveled across a barren, arid landscape in what is now Belize, munching on grassy vegetation and searching for water. A nearby sinkhole may have ...