Scuba dive in New Mexico, the scuba capital of the Southwest, in national parks and natural wonders like the Blue Hole.

Big animals, currents and even pygmy seahorses add drama to your favorite sheer drop-offs.

Divers aboard the Cat Pplau liveaboard become citizen scientists, helping the crew replant urchins to fight algal spread and repair the reefs of Exuma.

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!