A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

This doorless 20th-century elevator doesn't stop or slow down.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Macabre astrological automaton clock dating to the late 1400s.

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.