18th century anatomical amphitheater of the Royal College of Surgery of Barcelona.

A once-secret library of Freemason history in Catalonia.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

This cemetery features modernist statues as strange as its name.

This Funeral Hearse Museum represents the finest in cadaver transportation.

Mountain where Jesus was first tempted by the Devil.

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

This Scottish museum is the only one in the world to focus not on one religion but all of them.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A 200-year-old collection of oddities and medical paraphernalia.

These tiny effigies are believed to represent victims of Edinburgh’s notorious Anatomy Murders.

A book bound in the skin of an infamous criminal, along with countless other specimens.

This early version of the guillotine was used to execute the man responsible for its construction.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

Possibly the world's smallest museum is home to one exhibit that sheds light on the capital city's dark criminal history.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.