A statue honors the children who fought Nazis in Poland.

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

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

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

Polish luminaries and masterful folk art find sanctuary in this unique cemetery.

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

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

The hollow trunk of this 650-year-old tree was used as a hideout by two Jewish brothers during World War II.

Poland's oldest salt mine has nearly everything one needs to live underground forever.

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

An underground city of salt.

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

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

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