This bridge was constructed from the rubble of the infamous Bastille.

The video game-themed street art first popped up in the French city.

This modest marker near Notre Dame identifies the very center of Paris.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

A monument to the “other Joan” who bravely defended the town of Beauvais with an axe in hand.

Balconies that have a most unusual accent.

This Renaissance palace features a unique architectural design and is now home to the Ferrara National Art Gallery.

This uniquely designed bridge served as the city gate for Comacchio.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

For two decades in the 13th century, the papacy operated from this palace in central Italy, which served as the site of the first—and longest—papal election conclave in history.

This fiberglass version of the Awakening sculpture by Seward Johnson, now resides in its third location in Italy, in Viterbo.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

On a teardrop-shaped island in the Danube, the ruins of a convent and the final resting place of a saint.

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

A diminutive statue that was inspired by the sculptor's own daughter.

How did an Australian statue of the Bard of Avon end up in the Hungarian capital?

This statue of a falling man commemorates a teenage martyr of the Hungarian Revolution.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.