When you're a great Russian Tsar, even your vomit gets a statue.

A strangely curved lamppost stands tall over this avenue in Rotterdam.

Once home to some 250,000 volumes and priceless art artifacts, this Polish estate was a target of bombing during World War II.

A hidden art gallery in an abandoned Warsaw fort.

Catch a scenic view of Warsaw's Old Town from the top of a centuries-old dumping ground.

These 18th-century paintings of Warsaw were used to reconstruct the city after World War II.

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

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.

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

The location of the world's first telescope demonstration.

A condensed piece of China floating in a Dutch harbor.

Rotterdammers' dirty minds gave this Santa a dirty nickname and cursed it to a life of wandering.

This curious sculpture represents the perseverance needed to take to the skies.

The world's largest frame offers spectacular views of the city's past and present.

A cluster of headless, armless sculptures looms within a popular Polish park.

On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

This memorial to a murdered empress took 20 years to design, then spent 30 years hidden away in storage.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

This building has survived for more than a century and remains virtually untouched.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

A diminutive statue that was inspired by the sculptor's own daughter.