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.

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

Order “Proletariat’s Cutlet” at this communist-themed restaurant allegedly once visited by Lenin.

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

A striking public sculpture representing the period of martial law in Communist Poland.

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

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

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

A statue honors the children who fought Nazis in Poland.

A haunting deserted hotel is a favorite with artists and photographers.

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

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

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

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

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

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

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

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

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

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

Crosses of all shapes, sizes and colors litter the mountain, the site of a huge yearly Orthodox pilgrimage.

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

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