In the South China Sea, near the Paracel Islands, the aqua-colored waters of an expansive shallow reef platform suddenly ...

A team of researchers has confirmed the discovery of the deepest known blue hole on the planet in the waters of Chetumal Bay, ...

Far from the open ocean trenches, divers in a shallow Mexican bay have found a vertical portal into the unknown. The Taam Ja’ ...

A diver’s view looking up to the opening of the seafloor hole known as Amberjack Hole, which was explored last year. Image courtesy of Mote Marine Laboratory/AJ Gonzales Tales of the ocean swallowing ...

Beyond the beaches and resorts of the Bahamas, Andros Island is the country’s best-kept secret. A hidden world of blue and black holes pockmarks the coastline and interior. Andros has 200 blue holes, ...

This amazing astronaut photo shows the bizarre whale-like shape of a Belizean tropical island. The coral-reef-covered structure is home to the Great Blue Hole, one of the deepest marine sinkholes on ...

At Glass Window Bridge, you can witness the stunning contrast of blue ocean waters and a 30-foot-wide strip of rock, located ...