The pieces in this sculpture garden are made from demolished buildings that were once landmarks of Motor City.

An ornate Detroit church, left empty and ravaged by time.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

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

Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

Communism's topsy-turvy effect on Poland has been brought to life in this wacky tourist trap.

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

This hilltop ruin is of the hundreds of stone columns built in tribute to the first German chancellor.

Once home to some 250,000 volumes and priceless art artifacts, this Polish estate was a target of bombing during World War II.

The manor house where the Polish composer spent childhood summer holidays is now a museum and concert hall.

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

This open-air museum was originally a World War II testing ground for German missiles and rockets.

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

This unique railroad museum secretly contains the history of Poland rebuilding itself from the inside-out.

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

Ruins of a late 1950s Polish ski jump ramp in the middle of the city.

This now-defunct synthetic fuel plant was once a major cog in the Nazi war machine.

These plaques found across Warsaw commemorate the sites where executions or battles took place during the German occupation.

The shattered remains of the world's once tallest structure.

The oldest wind turbine in Europe, constructed by a group of friends in 1932.

A stone in Wolin, Poland, marks the possible location of a legendary Viking fortress.

A small granite monument marks where the borders of three countries meet.