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

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

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.

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

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

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

This hidden collection of everyday objects illustrates life within communist Poland.

A statue honors the children who fought Nazis in Poland.

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

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

Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

This Luxembourg cave is covered in cryptic looking marks left by mining activity.

This German bone house contains the remains of some 20,000 souls.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

The last bastion of Roman presence north of the Alps looms over a German town.

Tiny castle in the middle of the Rhine made you pay to pass.

Legendary site where an evil bishop was devoured by rodents.

A tiny chapel clings to a precipice above Germany’s gemstone capital.

Cat art as far as the eye can see.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.