Narrator: There's a massive underwater sinkhole off the coast of Belize that extends ... descent to the bottom of the Blue Hole. Their mission was to create a 3D map of the sinkhole's interior ...

And so, when Richard Branson and a team of scientists took a submersible down to the bottom of Belize’s iconic Giant Blue Hole ... mission was to create a 3D map of the hole’s interior ...

Margaritaville Beach Resort Ambergris Caye Belize Karisma Hotels & Resorts On the private outdoor deck, you can relax in one of the lemon yellow or baby blue wooden beach chairs that overlook 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.