A diver found the tooth of the extinct Giant Short-Faced Bear during a fossil dive in South Carolina’s Cooper River.

Learn more about technical and recreational diving at some of the most pristine locations in the country, and immerse yourself in the beauty of your national marine sanctuaries. Sanctuary waters are filled with unique ecosystems waiting to be explored, harboring a spectacular array of plants, animals and historical artifacts. NOAA provides a wealth of information related to diving and permits required to dive these national treasures.

Bridges, piers and oil platforms are prime real estate for attracting marine life, from tiny critters to oceangoing giants. Here are some of the world's best.

These freshwater experiences — from Iceland and the Great Lakes to China and the Florida springs — offer an exhilarating change of pace.

Check out some of our favorite purpose-sunk wrecks — they're just as good, and maybe even better, than the real thing.

Twenty-five reasons why we love diving in the good old U.S. of A.

One of our most coveted awards: Find out which operators, resorts and liveaboards made our Top 100 Gold List!

Sea lions and tropical species await divers south of the border in sleepy San Carlos

East Coast divers find history hits close to home.