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

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

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

This biographical museum honors the groundbreaking scientist at her birthplace in Warsaw.

One of the world's largest collections of medieval religious art.

The largest toy museum in Poland showcases Europe's history of childhood.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

This tower in a small Polish village uses the power of a sacred bell to ward off mischievous weather spirits.

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

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

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

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

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

Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

This imposing 20th-century castle was abandoned before it was ever completed.

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

There are thousands of tributes and memorials to the King, but none quite like this one in a Kraków city park.

This centuries-old wooden wonder was built in less than a year and is one of Europe's largest timber-framed churches.

A collection of old neon signs from all over Poland line a secluded courtyard.

What was once an underground Nazi city is now Europe's largest bat reserve.

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

This hidden collection of everyday objects illustrates life within communist Poland.

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

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