Ruins of a late 1950s Polish ski jump ramp in the middle of the city.

The final resting place of the last "gypsy king" of Poland.

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

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

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

A 90-ton, gravity-defiant steam locomotive shoots for the skies in this bizarrely beautiful public artwork.

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

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

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

A memorial to the beloved brown bear that served in the Polish army during World War II.

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

In the midst of a living monument to Soviet social engineering, Polish Catholics built this church by hand.

While the U.S. and Soviet Union were engaged in a space race, Poland built a UFO on the ground.

People in Poland have rallied to save this unnatural desert from being reclaimed by the forest.

A statue honors the children who fought Nazis in Poland.

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.

This biographical museum honors the groundbreaking scientist at her birthplace in Warsaw.

A tree planted by Marie Curie is treasured by the Radium institute that she set up.

Warsaw's fantastically preserved gasworks...almost.

A hidden art gallery in an abandoned Warsaw fort.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

An underground city of salt.