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

Romania's triumphal arch looks out over Bucharest.

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

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

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

Hundreds of notes give thanks to the patron saint of lost causes.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

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

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

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

This biographical museum honors the groundbreaking scientist at her birthplace in Warsaw.

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.

A statue honors the children who fought Nazis in Poland.

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

Warsaw's fantastically preserved gasworks...almost.

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 bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

A luxury hotel housed in a former 15th century Gothic church.

This historical Netherlands fortress still bears the marks of its single siege.

Amsterdam's former hotspot for public executions and dissections.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.