A colossal statue of a woman hugging a modern building.

This automated sculpture of two men peeing will spell out text messages with their micturition.

A bus with a butt and biceps to put Olympic athletes to shame.

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

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 dazzling wooden church was constructed as part of an elaborate peace project after the Thirty Years' War.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

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

Seven dragon statues—including one that breathes real fire—are scattered throughout the streets of Krakow.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

A stone from Africa's tallest peak is immortalized in a Potsdam palace—but is it actually the mountaintop?

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

An incredibly salty lake inside the crater of an extinct volcano.

An 18th-century hunting lodge turned haunted Baroque palace.

This unique building in the main square stands out among the city's typically Baroque architecture.

At more than 5,000 years old, these structures are among the oldest free-standing stone buildings in the world.

These purpose-built WWII air raid shelters, which run half a kilometer under the town of Mellieħa, are among the longest in Malta.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

The ruins of a megalithic monument sit right in the garden of a luxurious Maltese resort.

Dynastic Home of the De Piro Family.

This 50-foot-deep sinkhole created in the 14th century is home to rare plants and fungi.

The medieval home is still engraved with the symbol of the profession, an eye flanked by two axes.

For over two centuries, this palace served as a residence for the Holy Roman Inquisition's leaders, a courthouse, and a prison.