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

A World War II torpedo launch station abandoned off the Polish coast.

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

Inside this Krakow church, an explosion of psychedelic color.

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

An abandoned Jewish sanatorium is tucked within the woods of Poland.

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

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

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

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

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

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

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

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

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

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

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

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

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

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

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

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

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

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