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

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

An artificial hill and apparent calendric structure built in the Early Middle Ages immortalizes a legendary Polish princess.

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

This man-made mound monument was built out of soil from all across the Polish empire.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

While the U.S. and Soviet Union were engaged in a space race, Poland built a UFO on the ground.

A monument to Poland's famous alleged UFO abduction case.

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.

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

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.

The manor house where the Polish composer spent childhood summer holidays is now a museum and concert hall.

A statue honors the children who fought Nazis in Poland.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

A 20th-century picture show in 3-D.

The world’s narrowest house makes for an awkward, four-foot-wide living space.

A hidden art gallery in an abandoned Warsaw fort.

Museum dedicated to "the man who moved the Earth."

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

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.