This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

This man-made mound monument was built out of soil from all across the Polish empire.

This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.

These traffic lights celebrate the 100 year anniversary of the women's suffrage movement in Lithuania.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

The Frank Zappa fan club erected this monument to their prog-rock hero to mark a new era of post-Soviet Lithuania.

Sofia's legislative center is continuously reinventing itself.

"Unity, Creativity, Beauty."

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

This virtually windowless mass of smooth concrete is the only Catholic church in the city.

Climb to the top of the world's largest seated bronze Buddha.

A colorful street named for the legendary Australian rock band.

Bronze statues honor the brave explorers who passed through this Antarctic gateway.

This controversial museum includes such detested exhibits as a chocolate suicide bomber and fecal-smelling digestion machine.

This foreboding medieval castle was twice besieged by barons rebelling against the English king.

An electrical pylon under whose legs a normal gauge train can run.

This futuristic German television spire is actually the world's largest digital clock.

Twisted buildings adorn the banks of the Rhine river.

Banksy's image of a naked man dangling from the window of a sex health clinic.

“And the Lord said unto Johan, build for thee an ark for the end of the world is approaching.”

Legend has it the famous Robin Hood would attend mass at this 12th-century Cistercian abbey in Sherwood Forrest.

This street has over a half-dozen names, all at once.

This Ukraine alleyway has become its own little island of forgotten things.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.