The world’s narrowest house makes for an awkward, four-foot-wide living space.

Order “Proletariat’s Cutlet” at this communist-themed restaurant allegedly once visited by Lenin.

These plaques found across Warsaw commemorate the sites where executions or battles took place during the German occupation.

This enormous 32-foot painting depicts Poland's greatest medieval battle in glorious detail.

One of the world's largest collections of medieval religious art.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

This colorful and quirky set of pegasus sculptures celebrate the works of poet Zbigniew Herbert.

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

Special benches that play Chopin's music are scattered throughout his native city.

A statue honors the children who fought Nazis in Poland.

The last king of Poland was interred in this church nearly 200 years after his death.

Legend says this is actually a heartbroken prince waiting for his true love's kiss.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

This bell stars in a tragic love tale and is said to make wishes come true.

This sculpture honors the man who was known as the "Righteous Among the Nations."

The metal leaves on this tree are engraved with the names of Holocaust victims.

A plaque bearing the names of those who dedicated themselves to protecting Budapest's Jewish population during World War II.

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

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

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

This building has survived for more than a century and remains virtually untouched.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

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