“The Blue Hole is made of a complex system of caves that once formed on dry land. It is proof of how oceans can rise quickly and catastrophically, he wrote at the time.

Many visitors peel themselves away from the white sand beaches and luxe resorts of Ambergris Caye for a day trip to the Great Blue Hole. "It's only a two-and-a-half-hour boat ride to the Great ...

Belize's Great Blue Hole Is a Once-in-a-lifetime Destination for Divers—Here's How to Visit. Here’s what you need to know before visiting the Great Blue Hole.