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.

From the Andaman Sea to the Coral Sea, this region offers unspoiled reefs, big animals, thrilling drifts, World War II wrecks and unparalleled macro life.

A great white shark expedition takes a playful turn with some Australian sea lions.

Starkly beautiful islands, dragons, volcanoes, azure waters, luscious reefs, and a huge and healthy biodiversity of underwater critters make diving the Komodo area of Indonesia a truly unforgettable experience. The photos of underwater photographer Judy G showcases the region.

Whether you're a seasoned veteran or an inexperienced diver, REEF Volunteer Survey Projects will change the way you dive.

A swarm of jacks in Cabo Pulmo Park, Mexico, dwarfs an underwater photographer in a phenomenal courtship display.

Ned and Anna DeLoach are on the hunt for bumblebee shrimp in this month's Critter Hunt.