If you spy one of these ocean oddities, consider yourself lucky. These pelagic travelers pop up in every ocean, and though the world’s largest bony fish can grow to the size of a sedan, they spend much of their lives in deep, open ocean, where they remain something of a mystery.

Providenciales, Grand Turk and Salt Cay: Three islands, three personalities, one week of unforgettable diving in the Turks and Caicos.

The Honduras Caribbean islands of Roatan and Utila deliver underwater thrills that captivate even the most discerning divers.

Crowded beaches? Nonstop nightlife? You won’t find them here. Dominica is a rugged and unspoiled paradise, under water and above.

We asked photographers for their favorite shark dives: So skip the cage and dive with great whites, blue sharks, hammerheads, bull sharks and more species.

Get your adrenaline pumping by scuba diving on the windward side of these eight Caribbean islands! With the right conditions, these dives will change your life.

Alexander the Great thought that Egyptian Desert Springs were connected underground, and this team of tec divers brave the Arab Spring to trace his footsteps.

At this epic European dive site, the water is so pure that the ice covering the lake is completely transparent. Are you ready to brave the cold?

As the 'Soft Coral Capital' of the world, Fiji lives up to its name at dive sites like Mellow Yellow, Hi 8 and Chimneys.