Ruins of a German Castle on top of a towering stone pillar.

An unusual bronze bus shelter is actually an art installation commenting on the city's history with the Nazi party.

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

Enormous sandstone towers loom within a Czech forest.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Macabre astrological automaton clock dating to the late 1400s.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

People in Poland have rallied to save this unnatural desert from being reclaimed by the forest.

On this Polish road, an optical illusion makes cars seem to roll uphill.

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

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

While the U.S. and Soviet Union were engaged in a space race, Poland built a UFO on the ground.

This towering statue of Jesus provided internet to the surrounding area.

A delightful museum entirely dedicated to the tiny homes of dolls.

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

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

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

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

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

A 20th-century picture show in 3-D.

An underground city of salt.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.