Here's where advanced divers can get their fix from Micronesia to Michigan.

Pulmonary edema is an abnormal leakage of fluid from the bloodstream into the alveoli—the microscopic air sacs in the lungs. It is most often the result of heart failure or other cardiac problems. Sometimes, however, pulmonary edema is observed in swimmers and divers when no underlying medical cause is apparent.

These are the ultimate beach sites, from nudibranch hotspots to deep drops.

Get more wow-factor with this Cozumel, Mexico, operator that delivers wilder adventures, bigger tanks and secret dive spots.

Check out these dive sites and topside adventures in coastal New Hampshire.

Mickey Charteris will be guest lecturer at Anse Chastanet Resort and Scuba St.Lucia from August 13 to 27, 2022. Spawning is possible August 21 and 23.

An underwater photographer road trips this underdived state to find adventure in his own backyard.

Experience some of the best wreck dives in Europe, from Spanish Galleons to u-boats.

Drift dive, shark dive, reef dive and more — whatever your dive style, you’ll find it in Fiji.