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.

Get your motor running with these 15 big-animal encounters, from sharks and manta rays to seals and humpback whales.

Looking for the best macro dive sites? We've got 15 of the best destinations to find creatures worthy of your macro lens.

Thousands of readers named the 30 best destinations in the world for you to take a dive vacation.

Check out some of our favorite purpose-sunk wrecks — they're just as good, and maybe even better, than the real thing.

Travel back in time for a snapshot of the Caribbean's past, and what a pristine future would look like, at Cuba's Gardens of the Queen.

Your guide to 20 of the best wreck and reef dives in the Dutch Caribbean: Aruba, Bonaire and Curaçao.