Sharks, whales and other big-animal thrills are waiting for divers at Mexico’s Revillagigedo Archipelago, now a UNESCO World Heritage Site.

Whether you're exploring its thriving coral reefs or hiking in its stunning rainforests, Dominica is a nature lover's playground.

Year after year, Bonaire earns the No. 1 destination for shore diving — and for good reason. See why this Caribbean island earns multiple Readers Choice Awards.

An old Dacor scuba regulator was used for Darth Vader's ominous heavy breathing in the Star Wars films.

When science has a problem, history shows nature has severed as inspiration to solve it. Learn how engineers looked to the powerful seahorse tail to guide them in designing a robotic arm.

Nitrogen narcosis slows down your thinking process and makes you more susceptible to mistakes. Here a five tips for avoiding its effects during deep dives.

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.