Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Located more than 600 feet beneath sea level, this tunnel boasts the world's first undersea roundabout.

Over a thousand feet beneath the Detroit streets is a subterranean metropolis few are allowed to enter.

Solving a 60-year mystery finally gave a name to the young woman known only by the color of her clothes.

Across the islands, baked goods, sauces, and much more are for sale 24/7.

At this small shop off a dirt road in the forest, the specialty is eel the owner caught and smoked himself.

One person's lost luggage is another person's treasure.

Get past the gatekeeper's apartment and enter an elaborate hoax of a restaurant with a Masonic feel.

Named after the German word for "a longingness to travel," this park brings together thousands of city and street signs from around the world.

A submerged archeological park still holds the wonders of a Roman Sodom.

A fiery crater has been burning in the Karakum Desert since 1971.

There's an exclusive Beefeaters pub hidden in the Tower of London.

An antique store houses the last operational diner from the defunct department store chain.

A market built atop boats is one of the few floating holiday markets in Europe.

This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

The world's only pure blue lizard lives exclusively on this secluded tropical island.

The world’s highest ski resort was deserted after an 18,000-year-old glacier melted away.

A unique hanging cable-car navigates through Dresden, the oldest suspension railway in the world.

The last occupied troglodyte dwellings in England weren't abandoned until the 1960s.

The shop's owner has spent decades in the desert wearing nothing but a strategically placed sock.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

An unusual vending machine designed to support mourners during funeral ceremonies at Zurich's largest cemetery.

This ancient trail has claimed the lives of over 2,000 people.