These three destinations are top-notch for underwater natural wonders, according to our readers. Find out where to go for the ultimate in cave and cavern exploration.

This archipelago, north of Seattle in the Salish sea, is packed with so much lush life, you'll feel as though transported to a faraway land.

This wreck, dating back to 1921, isn't the easiest to get to. But once you do, you'll be treated to an abundance of life.

On a dive trip aboard Gaia Love, luxury is found everywhere—in and out of the water.

The Bahamas is home to calm, crystal-clear waters suited for beginner divers. Here, one diver hones their skills after getting certified in paradise.

Ocean cleanups are routine at Pocna Dive Center, due largely to local community support, making for pristine waters with thriving marine life that keep divers coming back.

History buffs with an affinity for wrecks will enjoy this immersive course that combines education and exploration.