Rummu Quarry in Estonia is home to a now submerged and spooky former prison.

The private island of Ni‘ihau harbors some of the most unspoiled diving in Hawaii. It’s a true frontier adventure for divers who want to experience rare sights that few before them have seen. And Seasport Divers, a full-service dive operator on neighboring Kauai, has more than 30 years of local knowledge diving the Forbidden Isle

Galapagos ranks high on most divers bucket-list but is also pure magic for non-divers.

Encounter charismatic megafauna and colorful marine invertebrates underwater in Canada's Arctic.

World-class underwater photo ops await on the storied coral reefs in Cozumel, Mexico. Here are five must-dive sites in Cozumel.

Weedy seadragons, freediving with whale sharks, diving with manta rays and pristine beaches—there's no mystery why Australia's a global scuba hotspot!

Check out some of the most incredible dive resorts in the world—think hanging out on a decommissioned oil rig, or a “liveaboard rock” with its own helipad!

Get around faster underwater and with less effort on your next dive by trying out an underwater scooter or DPV in one of these epic dive destinations.

Spend a week scuba diving with tiger sharks and bull sharks when SharkSchool makes its annual stop at Beqa Lagoon Resort in Fiji.