A musical instrument played by the sea.

Museum of Fijian history, including its former tradition of cannibalism.

A tribute to Ponce de Leon's supposed quest for eternal youth.

A mysterious castle built as a monument to lost love.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

A spiritual vortex among the red rocks in Sedona.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

A museum dedicated to the alleged Roswell Incident.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The world's longest known cave system.

Northern Ireland's Brobdingnagian stepping stones.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

This picturesque view of the Scottish Borders was beloved by Sir Walter Scott.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

A bronze tribute to the wildly popular video game from the '90s.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

When you can't get to the Pacific, just go to Florida.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

The fairy tale castle of the "fairy-tale king."

Medicinal spa created with the discharge from a geothermal energy plant.