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

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.

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

Atop this library is one of the most beautiful green spaces in Warsaw.

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.

Order “Proletariat’s Cutlet” at this communist-themed restaurant allegedly once visited by Lenin.

At night, this memorial illuminates a ghostly outline of a footbridge that connected two sections of the Warsaw Ghetto.

The world’s narrowest house makes for an awkward, four-foot-wide living space.

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

A bronze replica of an elm tree that honors the victims that perished in Pawaik Prison.

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

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.

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

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

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

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

The last king of Poland was interred in this church nearly 200 years after his death.

This site was once home to Henry VIII and Elizabeth I.

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

No one knows who created the statues or if they are arranged properly—let alone the artwork's real name.

It is against the law to obstruct the view from the top of this English burial mound.

This peaceful oasis appears dreamy, but it's also the site of a nightmarish legend.