An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

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

A relic of World War I that now exist as a piece of public art.

This memorial park stands on the site of one of the largest mass executions of the Second World War.

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

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

A tragic legacy of the attempt to beautify Skopje and line the pockets of corrupt politicians

These abundant, over-the-top monuments are so widely scattered that they define the entire compact capital cityscape, often leading to jokes about whether there are more statues than residents.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

A marvel of Byzantine engineering under the streets of Istanbul.

A countryside Romanian cemetery filled with colorful crosses bearing lyrical, ironic, or satirical rhymes.

A museum dedicated to secret surveillance.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

Monasteries on rock pillars, once accessible only by frayed ropes.

This fifth-century church is one of the oldest Christian sites in the Balkans.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

A war-torn Olympic relic is being overtaken by graffiti and nature.

The place where World War I began.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

Oriental bazaar in the heart of Sarajevo.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.