This unique railroad museum secretly contains the history of Poland rebuilding itself from the inside-out.

A somber memorial honors the hundreds of thousands of lives lost at this labor and extermination camp.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

Brought to you by the makers of fiberglass dinosaurs.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

This extensive collection covers thousands of years of Polish military history.

Inside this Krakow church, an explosion of psychedelic color.

The site of one of the largest prison escapes of World War II.

This bell stars in a tragic love tale and is said to make wishes come true.

A small granite monument marks where the borders of three countries meet.

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.

Special benches that play Chopin's music are scattered throughout his native city.

This picturesque castle in Poland has a rich history, including a legend that ties it to lost Incan treasures.

This antique thermometer honors the creator of the first universal temperature scale.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

A tree planted by Marie Curie is treasured by the Radium institute that she set up.

The hollow trunk of this 650-year-old tree was used as a hideout by two Jewish brothers during World War II.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

This 13th century Gothic brick castle is the largest in the world by surface area.

This fairytale medieval church in Poland originally spent centuries in Norway.

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

Boats must transform into railroad cars to navigate this Polish canal.

A 90-ton, gravity-defiant steam locomotive shoots for the skies in this bizarrely beautiful public artwork.