Like a pinprick piercing the azure Caribbean Sea, the Great Blue Hole is as mysterious as it is mesmerizing. From above, this almost perfectly circular underwater sinkhole is a deep, dark bullseye ...

The Great Blue Hole in Belize is a massive ... hole that’s roughly 300m in diameter and over 120m deep, said to be formed ...

There’s a spot in the ocean that looks like a portal to another world. The Great Blue Hole, about 43 miles off the mainland of Belize, is a giant sinkhole near the center of Lighthouse Reef. The ...

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. It has ...

An aerial view of the Great Blue Hole, a popular diving site that's part of Belize's barrier reef. Shutterstock A giant underwater sinkhole located off the coast of Belize has grown in popularity over ...

The Belize Barrier Reef is 10,000 years old, and it’s the second-largest barrier reef in the world and the longest barrier reef system in the Northern Hemisphere. It extends the full length of the ...

Virgin billionaire Richard Branson joined a new mission to solve one of the most captivating mysteries of the ocean – what lies at the bottom of the Great Blue Hole in Belize? The Great Blue Hole in ...

The Great Blue Hole, located off the coast of Belize, is one of the world's true natural wonders. Now we're finally learning more about what's inside this mysterious phenomenon: A high-profile mission ...