Narrator: There's a massive underwater sinkhole off the coast of Belize that extends ... and the cave flooded and collapsed, leaving behind the Blue Hole we see today. Researchers think that ...

Its mesmerizing sapphire-blue waters and perfectly circular shape ... civilizations or marveling at the beauty of nature, ...

Belize's first ever cave management policy was launched today at St Herman's Blue Hole National Park, the home to one of three open caves in the country. The policy seeks to protect the cave's natural ...

Created during the last glacial period approximately 10,000 years ago after a cave roof crumbled ... The Great Blue Hole is located about 60 miles off the coast of Belize along the Lighthouse ...