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

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Learn how to read a scuba compass when you're underwater

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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.