This unique railroad museum secretly contains the history of Poland rebuilding itself from the inside-out.

A collection of modern and vintage pinball machines housed in the cellar of a 15th-century building.

On this Polish road, an optical illusion makes cars seem to roll uphill.

Come to this Polish museum to take a good, clean look at filth.

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

This fairytale inspired, warped building houses restaurants, shops, and a radio station.

A statue honors the children who fought Nazis in Poland.

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

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

The site of the first battle of World War II.

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

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