The weather can't be beat, and the water is crystal-clear. Hawaii's third-largest island is home to some of the world's best diving, offering something for every type of diver.
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.
The Weeki Wachee mermaids are an amazing sight north of Tampa, Florida, but see what it takes to bring the magic to life.
St. Croix-native Kemit-Amon Lewis is working to conserve and grow coral reefs in the U.S. Virgin Islands.