This extraordinary, multi-pillared monument depicts the fascinating history of Georgia.

An extraordinary museum devoted to the pop art legend created by Slovak artists.

An open-air museum of 18th-century homes and churches transported from various villages in Southern Poland.

This formerly-prosperous Silesian mining town was completely demolished in the late 1960s and early 1970s as an attempt to cover up a secret Soviet uranium mine.

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

An extensive network of secret tunnels was created for the Nazi project "Riese."

The world's greatest slide descends 18 stories from this looping mountaintop viewing platform.

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

Naturally formed rock city in Poland.

Enormous sandstone towers loom within a Czech forest.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

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

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

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

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

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

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

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

Relive a Polish uprising via an enormous, century-old cyclorama.