California's San Clemente Island offers amazing scuba diving opportunities complete with kelp forests and seals. Set sail with Horizon liveaboard.

For his work with Ocean Defenders Alliance protecting California's oceans, Kurt Lieber is Scuba Diving magazine's November/December 2015 Sea Hero.

Looking for a great children's book? Eric Douglas — author of Lessons for Life — just released his latest story for kids: "Sea Turtle Rescue and Other Stories!"

Can you say airplane graveyard? New wrecks around the world are popping up all over the place — and they've got quite a bit of history to them.

Hammerheads have been spotted off the coast of Florida — but it's not what you think.

An attempt to install an artificial reef of Easter Island-style sculptures ends in disappointment.

Mako sharks. They might look like skinny great whites, but these lightning-fast sharks are in a league all their own. Here's where to scuba dive with them.

Each year, the Beneath the Sea scuba and dive travel show, held in New Jersey, honors one person as a Legend of the Sea for his or her dedication to ocean conservation. This year's honoree, Jean-Michel Cousteau, couldn't be more deserving.

These freshwater experiences — from Iceland and the Great Lakes to China and the Florida springs — offer an exhilarating change of pace.