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

A statue honors the children who fought Nazis in Poland.

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

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.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

A hidden art gallery in an abandoned Warsaw fort.

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

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

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

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

The only museum with its curator—and her pets—buried inside.

Originally a leper colony, the island is now an Armenian monastery that's home to an incredible manuscript library and eclectic museum.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

Only a fragment of this 15th-century Dance of Death survives today.

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

A bridge destroyed three times: once as a ruse, then in an actual attack, and finally for the movies.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.