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

There are thousands of tributes and memorials to the King, but none quite like this one in a Kraków city park.

An artificial hill and apparent calendric structure built in the Early Middle Ages immortalizes a legendary Polish princess.

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

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

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

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

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

A national collection of Communist-era musical posters.

A hidden art gallery in an abandoned Warsaw fort.

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

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

This enormous 32-foot painting depicts Poland's greatest medieval battle in glorious detail.

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

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

Warsaw's fantastically preserved gasworks...almost.

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

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

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

This museum is home to a sugar sculpture of the Berlin Airlift Memorial.

Antique frame collection with 2,400 frames.

A museum in the building where Nazi Germany signed its surrender tells the story of World War II from the Soviet perspective.

Puppet theater and museum holding a collection of more than 300.