The Golden Triangle is a haven for hammerhead sharks. But these large pelagics are under a major threat to long-line fishing unless we help.

The best scuba diving in Big Sur, California, offers amazing underwater encounters.

This remote, tropical eastern Pacific island offers underwater thrills found nearly nowhere else on Earth.

Curaçao offers a roll call of Caribbean diving highlights including walls, reefs, wrecks and shore dives. Here are the best dives in Curaçao and things to do.

Looking to enjoy a scuba diving holiday in an eco-friendly dive destination? Our readers selected these spots as the world's best.

The official Tourism Council web site for the Florida Keys, including Key Largo, Islamorada, Marathon, Lower Keys, and Key West.

The freighter LuLu off Orange Beach, Alabama, has local divers cheering for their artificial reefs. Read why!

Itza Resort on Long Caye is the closest beachfront dive resort (just 7.4 miles) and closest boat ride to the Great Blue Hole. Learn more about this private-island development resort and research community and all it has to offer here.

See why the scuba diving on North America's Pacific coast — from Alaska to Washington to California and Mexico — is among the best in the world.