Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

The floorboard scrawling of a tragic madman is on public display outside a Paris hospital, much to the dismay of its opponents.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

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

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

How did a French journalist’s grave become the sexiest statue in the cemetery?

This Parisian café sticks almost exclusively to an ethos of reuse.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

Oddly enough, a pair of Wolfs funded the construction of this Little Red Riding Hood sculpture.

This airport currywurst stand is made out of retro airplane parts.

A small square plaque marks a failed assassination attempt that could have changed history.

At this 16th-century monastery in rural Bulgaria, visitors can also spend the night.

Underneath this Byzantinian church lies a necropolis filled with ancient tombs and the ruins of previous churches.

Sofia's legislative center is continuously reinventing itself.

This massive stone and steel monument remembers a century-old battle that cost thousands of lives and nearly destroyed the city.

A gigantic statue of a Russian soldier watches over the ancient city of Plovdiv, a prominent reminder of the Soviet period in Bulgaria.

"Holy Wisdom" overlooks the city that became its namesake.

A vast Communist-era exhibition space in the Bulgarian capital.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

A striking symbol of the Bulgarian capital.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

This massive concrete sculpture is said to be the heaviest communist monument on Earth.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

An imposing pair of sphinxes stand guard outside this Egyptian Revival tomb.