A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

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

A miniatures park with a model of Wolf's Lair as it looked during World War II.

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

Poland's oldest salt mine has nearly everything one needs to live underground forever.

An underground city of salt.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

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

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

An impressive monument to Poland's independence.

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

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

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

Disturbing works of outsider art, carved from whole logs.