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 ...

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 ...

Plunge into this deep blue hole and you'll discover imposing ancient stalactites (calcium deposits resembling icicles) and coral fringe. Declared a UNESCO World Heritage Site in 1996 – along with six ...

Sediment cores from around the Yucatán Peninsula support a theory as to what could have led to the Mayans’ demise. This is the Great Blue Hole—a giant sinkhole located 40 miles off the coast of Belize ...

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 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 ...

Off the coast of Belize, in the Caribbean Sea, lies a captivating natural wonder familiar to any nature photography ...

The Great Blue Hole in Belize is a massive ... hole that’s roughly 300m in diameter and over 120m deep, said to be formed during the Ice Age. The travel group with tour guide Roberto (right) at ...