This spaceship sculpture in the middle of the Slovakian capital looks like it just crash-landed.

A relic of the Cold War tucked away in the forested hills above Bratislava.

A once-fairy tale mansion now stands in a state of disrepair.

One of the largest mines in Bulgaria is now home to a vast museum more than 100 feet underground.

Eastern Bloc nostalgia, anybody?

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 flamboyant five-story building in Bulgaria resembles a crawling snail.

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

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

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

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

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

A collection of intricate sculptures so small they have to be seen through a microscope.

This quiet, unassuming spot in Budapest was the birthplace of the bloody 1956 Hungarian Revolution.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.