From deep and beautiful cenotes in Mexico to the quiet and serene Ginnie Springs in Florida, U.S., here is a look at some of the most spectacular underwater caves that offer an amazing diving ...

Divers in Mexico's Yucatan Peninsula say they have discovered the world's largest underwater cave. Underwater archaeologists discovered last week that the cave system known as Sac Actun, located near ...

Underwater caves can be found around the world, but appear and develop differently according to their environment. Caves in warmer waters can be home to coral reefs, while ice caves have less abundant ...

This massive underwater sinkhole off the coast of Belize is the world's largest natural formation of its kind and a popular destination for scuba divers. Inside the 400 ft deep sinkhole, you'll find ...

The Underwater Photographer of the Year has a category just for compact cameras, and the images are stunning ...