A guide to the best national parks for scuba diving from Maine to Florida to Alaska.

Marine protected areas you can dive, from California to Indonesia.

These nine dive destinations go from cold to coldest and put your cold water tolerance to the test. How low will you go for a dive?

Robert Ballard leads an expedition in California's Channel Islands to test new underwater research techniques.

Scuba Diving's readers voted for the best places for underwater photography around the world, from Indonesia to the Cayman Islands.

The M/V Conception dive boat tragedy had a huge emotional impact on the Southern California scuba diving community. One diver reflects on how the pain and hope for the future.

Divers visiting Los Angeles or Hollywood can go scuba diving at Santa Cataline Island, just 22 miles offshore.

Scuba Diving's readers made their picks for the best destinations for shore diving in the world, including Bonaire, Hawaii and more.

Our ScubaLab editors got a chance to visit Catalina Island and check out one of California's most iconic dive for themselves.