Countless grotesque faces stare out from this eerie Prague art wall.

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

The largest toy museum in Poland showcases Europe's history of childhood.

This fairytale medieval church in Poland originally spent centuries in Norway.

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

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

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

The site of the first battle of World War II.