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

This oddly beautiful water cistern is a techno-temple to the wet stuff and a multimedia masterpiece.

A memorial to the beloved brown bear that served in the Polish army during World War II.

The biggest exposition of dental equipement in Europe. And a Mummy.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

One of only two places in the world where two rivers cross each other without the waters mixing.

This open-air museum was originally a World War II testing ground for German missiles and rockets.

This mysterious and once-grand memorial still embodies a remarkable architectural vision.

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

Deep in a Polish forest, this collection of Iron Age megaliths still holds onto many of its ancient secrets.

A statue honors the children who fought Nazis in Poland.

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

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

A mysterious structure left behind on the Polish mountainside, sometimes called "Hitler's Stonehenge".

A peculiar family mausoleum built by a German nobleman captivated by the occult.

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.

A hidden art gallery in an abandoned Warsaw fort.

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

Warsaw's fantastically preserved gasworks...almost.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

The site of the first battle of World War II.