Home to more than 13,000 pieces of war memorabilia and military equipment.

Not quite the menace it once was, this monster still has some chops.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

Hamburgers are intensely proud of their tunnel beneath the river.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

The saga of the massive nut begins and ends in Texas.

These boots are made for selfies.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

Tiny memorials honor individual victims of the Holocaust.

An homage to the medieval rulers of Bulgaria.

A collection of items from a way of life that no longer exists.

Eight naturally mummified bodies in glass coffins are housed in an underground crypt.

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

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

Sofia's legislative center is continuously reinventing itself.

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

A collection of art from Bulgaria's time as a communist state.

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.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

A 11-foot former president stands on a Kosovo street that also bears his name.