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

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

This grubby wall is said to be one of the Earth's esoteric energy centers.

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

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

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

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

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

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

An underground city of salt.

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

This picturesque castle in Poland has a rich history, including a legend that ties it to lost Incan treasures.

This tower in a small Polish village uses the power of a sacred bell to ward off mischievous weather spirits.

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

Crammed inside this grounded passenger plane is a bar that was once a Communist hang out and is now a ratty relic.

This ruined castle perched atop a rocky peak is a great place for a hike.

A larger-than-life statue of the German revolutionist stands proud in a small town where he never lived.

Tiny communists hammer away on the Olomouc Astronomical Clock.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

The 14th-century ruins are said to contain healing powers.

A massive 1830s industrial site once known as Czechia's "Iron Heart" has been transformed into a playground of science, technology, and art.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.

This spooky statue sits outside a famous Prague theater.

The mystery of the Putim Ossuary involves a tricorn hat.