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

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

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

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

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

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.

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

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

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

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

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

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

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

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

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

A statue honors the children who fought Nazis in Poland.

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

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

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

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

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

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