Puerto Rico protects leatherback hatching grounds.

Seacology plants a kindergarten for coral in the middle of a blossoming Raja Ampat no-take zone.

In the Bahamas, you’ll find a Caribbean reef shark for every 100 yards of underwater habitat. And when feedings occur, sharks appear in droves, swimming increasingly tighter circles around the divers gathered in an arc on the sand.

An Alaska dive site called Smudges just might be the best jellyfish dive anywhere.

The Weeki Wachee mermaids are an amazing sight north of Tampa, Florida, but see what it takes to bring the magic to life.

Check out our top 5 tips on how to dive the Caribbean’s best-kept secret.

The Lulu was scuttled in the Gulf of Mexico.

Diving with Great Hammerhead sharks was something photographer Steve Hinczynski dreamed about for years. During his five-day trip in Bimini, he had the diving experience of a lifetime.

Magnificent eating machine hoovers victims like a seafloor vacuum.