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

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

A national collection of Communist-era musical posters.

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

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

This man-made mound monument was built out of soil from all across the Polish empire.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

This 700-year-old structure is one of the most unique architectural and historic monuments in Gdańsk.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

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 hidden art gallery in an abandoned Warsaw fort.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Real bones which are said to have belonged to a Polish dragon.

An underground city of salt.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

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

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.