No one knows who created the statues or if they are arranged properly—let alone the artwork's real name.

This hospital once pioneered the use of electroencephalograms, but fell into maltreatment, abuse, and eventual abandonment.

An abandoned tank sits in an empty London lot as a symbolic middle finger to local city planners.

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

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

This series of Scottish caves has no clear purpose other than baffling historians.

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

This single room has survived the centuries with almost no deterioration.

This abandoned Belgian fortress is purposefully being left to nature.

This ghost town in Belgium will lose its street art when it ceases to exist.

The largest collection of death masks in Ukraine.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

The wartime prison now features haunting sculpted reenactments of the atrocities that took place there.

This tiny Vietnamese village is known for eating snakes and serving their still-beating hearts in shots of vodka.

A French-Colonial era collection of taxidermy and wet specimens, secreted away in the National University of Hanoi.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

An extravagant monument to an extravagantly unpopular Emperor.

This Vietnamese hell cave lets visitors take a walk through a devilish underworld full of demons.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.