Scapa Flow in Scotland holds many World War I and World War II shipwrecks for scuba divers to explore.

*Scuba Diving*'s readers made their picks for the best destinations for advanced diving in the world, including Socorro, the Galapagos Islands and Palau.

Plaza Beach Resort Bonaire

Scientists work to protect the World War II shipwrecks of Truk Lagoon and prevent them from releasing contaminants into the water.

Cayman Islands

Once a theater of war, the Solomon Islands offer world-class scuba diving in the South Pacific via the *Bilikiki* liveaboard.

Barbados

With epic wrecks and beautiful reefs, the best scuba diving in Grenada will please and traveling diver.

Want to go scuba diving in Wyoming? Find the majestic beauty of Yellostone National Park and Grand Teton National Park underwater.