Learn all about the muck diving craze, like how and where to dive it, and see 18 photos of some of the weirdest and most wonderful muck-critters.

Dive Key West’s General Hoyt S. Vandenberg

With tunnels, a cavern and rays of light creating a stained glass effect, what more could you need?

For his dedication to the underwater world, and his championing of the Crystal Caves of the Bahamas’ Abaco Island, he is our Jan/Feb 2017 Sea Hero.

Home to pinnacles, swim throughs, archways, caverns, sleeping turtles, schools of chubs and more.

Freedivers and scuba divers alike enjoy Steve’s Cave dive site.

With bioluminescence, rare pelagic creatures and unidentified species of life, Black Water Night Dive is one of the most unique dives for the experienced diver.

Deepblu is the latest social media network, specifically for divers. It allows users to create a profile to interact with others and share dive information.

Scientists evaluated the health of the world's oceans using a comprehensive index. Here's what they found.