A fountain standing as a testament to a doomed alliance.

Medieval torture techniques with a modern conscience.

One of two electrical towers in Germany that have a pathway constructed through the tower's legs.

The "feral child" who appeared in Bavaria in the 19th century remains as much a mystery as his unsolved murder.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

This magnificently macabre shield shows the power of chivalrous love in medieval times.

This gruesome biblical parade celebrates the one day a year that a bit of Jesus' blood turns to liquid.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

Christ's blood preserved in a Belgian town.

Inside this former medieval prison is a collection of objects designed to inflict unbelievable pain and suffering on the human body and mind.

Modern museum, designed for Jihadi tourists.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

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

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

There's an exclusive Beefeaters pub hidden in the Tower of London.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A retired subway car stands alone in a field in the middle of Queens.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

A kaleidoscopic warehouse-maze of handmade neon signs.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.