The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

An existential riddle in the world's largest ancient castle.

This automated sculpture of two men peeing will spell out text messages with their micturition.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Countless grotesque faces stare out from this eerie Prague art wall.

Macabre astrological automaton clock dating to the late 1400s.

A plaque on the base of this statue holds a bewitching design.

Third time's a charm, or in this case, two testicles are.

A small but very fascinating fountain in the center of Rome with four books and a deer carved.

First founded in 1472, this is the oldest bank in the world. Its history may explain why we call financial institutions "banks."

A 15th-century monumental Latin inscription on this house celebrates Lorenzo Manilio's love for Rome.

This medieval church in Rome was almost destroyed following a terrorist attack in 1993.

An ancient Egyptian obelisk is now used to commemorate fallen Italian soldiers.

A Roman temple perched over an Italian town, forgotten several times over.

What appears to be an ancient Roman temple is actually a Catholic church.

This 2,000-year-old Doric bridge is still open to pedestrian traffic to this day.

See what remains of a once grand ancient Roman circus.

This 1st-century CE Roman bath sits under a carpark.

The remains of this medieval Roman road and lookout towers dot the rugged coastline of southern Lazio.

A gorgeous example of 13th-century Gothic architecture.

These elaborate gothic monuments honor Verona's medieval lords.

This small church was constructed over the ruins of three temples dating to the Roman Republic.