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

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

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

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

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

Polish luminaries and masterful folk art find sanctuary in this unique cemetery.

A national collection of Communist-era musical posters.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

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

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

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

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

Naturally formed rock city in Poland.

This 700-year-old structure is one of the most unique architectural and historic monuments in Gdańsk.

A hidden art gallery in an abandoned Warsaw fort.

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

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

An underground city of salt.

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.