This open-air museum was originally a World War II testing ground for German missiles and rockets.

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

These massive moving sand dunes have swallowed an entire village and are still on the run.

When the river dries up, these stones start talking.

A World War II torpedo launch station abandoned off the Polish coast.

A haunting deserted hotel is a favorite with artists and photographers.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

Communism's topsy-turvy effect on Poland has been brought to life in this wacky tourist trap.

Europe's second largest ossuary wasn't discovered until 2001.

The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.

Mysterious painted skulls in Moravia.

Deep in a Polish forest, this collection of Iron Age megaliths still holds onto many of its ancient secrets.

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

A cluster of headless, armless sculptures looms within a popular Polish park.

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

The traditional Polish croissant, folded 81 times into the shape of a horseshoe, is a legally protected cultural treat.

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

A striking public sculpture representing the period of martial law in Communist Poland.

The silly symbol for an underground protest group is now scattered around the city.

Relive a Polish uprising via an enormous, century-old cyclorama.

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

Once a giant gingerbread factory, this space now hosts exhibits and workshops on the historic treat.