Floating swimming pool within a moored vessel.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

A collection of old neon signs from all over Poland line a secluded courtyard.

The silly symbol for an underground protest group is now scattered around the city.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

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

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

A statue honors the children who fought Nazis in Poland.

A national collection of Communist-era musical posters.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

One of the most controversial statues in Romania is an emperor with no clothes.

Romania's triumphal arch looks out over Bucharest.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This once-derelict building is now one of the most beautiful bookstores in the world.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

Cat art as far as the eye can see.

Brussels' favorite peeing boy has a sister.

A little sculpture with a large wardrobe.