From pelagic animals and tiny underwater critters to magnificent underwater structures and even an underwater museum, these 15 sights are best viewed by scuba divers.

Discover the magic of mantas, sharks and WWII wrecks in this ultra-lush Pacific island nation.

Palau has plenty to offer traveling scuba divers, including bumphead parrotfish spawning and night diving experiences.

Check out seven of Palau's most incredible spots.

This Micronesian paradise calls scuba divers back again and again with incredible drift dives, wall dives and more.

Palau has become the first country to require all tourists to sign a pledge to be issued an entry visa.

Blue Corner, Chandelier Caves, Peleliu Express, German Channel — they’re the stuff of legend, some of the most storied dive sites in all the world’s oceans (and if they’re not on your bucket list, they should be).

The UNESCO world heritage list comprises more than 1,000 spots — and these 13 are diveable.

Presenting the 2017 Readers Choice Awards for the Best Caves, Caverns and Grottoes.