Relics of the 1894 Midwinter Exposition continue to delight visitors today.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

The site of the climactic scene from the classic horror film is now a historic landmark.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

This shop for all your super spy needs hides an educational secret.

The United States Capitol's former columns still stand.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

A slice of central Asia in the middle of Berlin.

A lush green oasis in the middle of Chicago.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

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

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

A 16th-century horror show built in a lovely Italian garden.

The seamy, underground secrets of Portland's criminal past.

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

A tongue-in-cheek arcade where the games are based on everyday life.

A taste of the macabre Tokyo's ritzy shopping district.

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

Eighty million natural history specimens call this gargantuan museum home.

Home of an evil witch famous within southern folklore.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

Hot springs monkey spa in the middle of Hell's Valley.

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

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.