An abandoned Nazi explosives plant founded by the inventor of dynamite is now an underground museum.

This symbol of Polish heritage survived the occupation during World War II, hidden in plain sight.

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

This museum in the tower of the oldest church in Gdańsk, is home to centuries-old time-keeping devices and the world's first pulsar clock.

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.

The relics are stored in a silver reliquary, where they can be seen through glass.