This enchanting mountain plateau celebrates spooky local folklore.

Built to transport German U-boats through the never-completed Masurian Canal, the locks near this Polish village are now home to a rope course.

This unique structure allowed boats to bypass underwater mine barriers in the channel to enter the harbor.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

The small sanctuaries lie just off the beaten path near one of Bhutan's most famous attractions.

Grandpa Rainbow felt the neighborhood needed some color, so he picked up a paintbrush and went to work.

To gaze upon the visage of Sri Lanka's biggest Buddha, one must first pass through the Tunnel of Hell.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

A psychedelic labyrinth on the San Francisco bay.

Built in the early 70s, the ruins of dinosaurs are all that remains of a man’s dream to build a free dinosaur themed mini golf course

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

The haunting cadaver tomb of a famous French poet, playwright, and filmmaker.

Home to the longest wooden escalators in the world.

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

This arcade is one of the last places to catch a public performance by the now-defunct ShowBiz Pizza's house band of animatronic animals.

This magical grotto is adorned with a complex pattern of native seashells, minerals, and fragments of colored glass.

This massive underground salt mine now holds a sci-fi theme park in its depths.

This post-war motel embodies a little-known, Miami-born architectural style.

A unique Buddhist temple with strange statues, beehives, and dinosaurs.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

This foolish Victorian sea fort was converted to a deluxe hotel.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.