A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

Odd outsider art installations surround a Gold Rush-era ghost town.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

Towering basalt columns, a creation of fire and ice.

The beautiful baroque library of the Hapsburg empire.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

A rare view of a preserved Victorian science museum.

The atmospheric road was never meant to be so creepy.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

A beautiful 62-acre Catholic shrine and botanical garden.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

The world's largest collection of witchcraft regalia.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

Stroll through a wonderland of stupendous moss-covered trees.

Continuing the tradition of the dime museum in style.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.