The planet's best places to find pulse-pounding big animals, deep walls, massive wrecks, fascinating caves and more.

Get vertical in the reefs off these islands, and explore the joys of flying alongside a plunging drop-off.

In a perfect world, every dive site would be just a few fin kicks from shore. In these 15 places, they often are.

Looking for the best wreck dives? Check out where you can find scores of exploration-worthy wrecks, just waiting for you to dive.

If you're just getting into diving, you'll love these dive destinations with superb, easy conditions.

Establish your diving cred at these 15 brag-worthy hot spots for challenging underwater experiences.

What could be more sublime than to explore the underwater realm in crystal-clear water?

These 15 spots are teeming with marine mammals and fish life and often boast spectacular reefs.

Stellar diving usually means great photo opportunities — here are 15 of the world's best places to take a camera.