Coral dive site of mushroom-shaped formations.
Some of the world's richest reef waters.
One of the world's greatest wreck dives.
WWII wrecks and relics in the lagoon.
Untouched Red Sea reefs and islands.
Dive the sunken nuclear-test fleet.
WWII wrecks and pristine reefs.
Coral heads and reef fish in a lagoon 40 km across, with WWII wrecks off the atoll edge.
Long protected reef off Antigua's south coast.
Hundreds of mantas feed in this tiny bay during the monsoon plankton blooms.
Gozo’s famous rock chimney dive beside the collapsed Azure Window.
Shark dives in a vast lagoon.
World-class reef diving off Roatan.
Reefs Cousteau chose for his underwater village, with hammerheads at Sha’ab Rumi and almost no other divers.
Dive with whale sharks and mantas.
Spectacular two-level limestone caves.
Cave reef made famous by James Bond.
Current-swept island reefs at the mouth of the Red Sea.
The largest reef in the northern hemisphere: nurse sharks and rays at Hol Chan, turtles and 500 species of fish.
Plunge into a deep ocean sinkhole off Andros.
Cathedral-sized salt chambers with an underground lake and Ferris wheel.
A Japanese fleet sunk in 1944 lies in shallow, clear water — a dozen wrecks divers can swim through.
Clear Caribbean sinkholes and reef right off the shore at Playa Giron.
Drop into a limestone sinkhole of crystal-clear fresh water on the Yucatan, where the Maya saw the entrance to the underworld.
Underground cathedral carved into the tunnels of a working salt mine.
Drift between the American and Eurasian tectonic plates in gin-clear glacial water.
Fringing reef in Western Australia where whale sharks cruise close to shore.
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