An amazing photo gallery of whale sharks — the biggest fish in the sea — from around the world.

Two freedivers jump in the water to help save an entangled sea turtle. You won't want to miss what happens next.

It's always a thrill to dive with large schools of fish. Check out Judy G's gallery of schooling fish from Mexico, Thailand, Fiji, Costa Rica and Indonesia.

Want to perfect your underwater photos? Read tips from the experts at Backscatter Underwater Video and Photo to learn how to take expert images of Mexico's Cenotes, and refine them in post-production.

Are you ready to be challenged as a diver? Here are 15 experiences that are guaranteed to take you to the next level. All you have to do is commit.

Many of the world's hottest shark scuba diving spots also offer can't-miss topside thrills to keep your heart rate up between dives.

Cabo is a hot spot for destination weddings, but we bet you haven’t seen an underwater wedding sweeter than this, from Cabo's Nautilus Dive Tech.

The M/V Valentina liveaboard shows scuba divers why Jacques Cousteau fell in love with diving Mexico's Sea of Cortez, an area off Baja California that Cousteau called "the Aquarium of the World."

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