These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The world's only museum devoted to the wonders of fluorescence.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

France's most famous cemetery, with some of its most curious tombs.

An exquisite tunnel of cascading flowers.

These fantastically named natural pools look like something out of a Scottish myth.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

A terrific purveyor of natural history objects and curios.