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 collection of modern and vintage pinball machines housed in the cellar of a 15th-century building.

A statue commemorating a Polish dog who took his role as man's best friend very seriously.

The walls and streets of the ancient city are peppered with penises.

Erotic art covers the walls of the largest ancient pleasure palace.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

The silly symbol for an underground protest group is now scattered around the city.

A collection of old neon signs from all over Poland line a secluded courtyard.

This massive mural by famed pop-artist Keith Haring was hidden for almost 30 years until its 2018 rediscovery.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

The world's only museum devoted to the wonders of fluorescence.

This contemplative sculpture made out of old machine parts is meant to be the first in a series of sculptures around the world.

The final resting place of the author who gave us the Little Mermaid, the Ugly Duckling, and many more beloved fairy tales.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

Hans Christian Andersen for the postmodern world.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

A striking bronze sculpture of a Roman goddess with two hound dogs for company.

This classic photo booth was saved from destruction by the local community.