Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

A museum that houses the world's largest collection of ventriloquism dummies.

The remains of Crystal Palace Great Exhibition of 1851.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

The last of its kind in the country.

Room 32 of the Alta Cienega Motel has grown into a shrine to the Lizard King.

An Italian restaurant became a rock-and-roll hangout and the lair of the "Hollywood vampires."

French Time Capsule-19th Century home revealed to the public.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

A well-worn marker in a forgotten alleyway is all that remains of what had been one of Manhattan's most beautiful buildings.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

An Art Nouveau building covered in animal gargoyles and grotesques.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

A former electrical substation is now home to an eccentric junk art masterpiece.

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

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

The oldest operating pharmacy in the world features 800-year-old recipes.

This theatre was made famous after Lee Harvey Oswald was captured inside watching a film.

The final resting place of infamous outlaw Clyde and Marvin Barrow.