A highly symbolic tower in honor of Supreme Leader Kim Il-sung's personal philosophy.

A vast museum devoted to North Korea's victories against its imperialist enemies.

One of the largest public squares in the world, named after the former DPRK supreme leader.

A giant bronze monument to Kim Il-sung and Kim Jong-il is one of the most sacred sites in North Korea.

A former palace transformed into a mausoleum for North Korea's supreme leaders.

A symbol of the Workers' Party of North Korea.

An English brewery transported to North Korea.

A statue dedicated to the founders of communism.

An old spa town in the mountains of Romania where, according to legend, the great hero Hercules once bathed.

Locals believe this abandoned ruin on the outskirts of Bucharest is haunted.

Even drowned in an ocean of toxic waste, the remnants of this Romanian village stand tall.

A unique interactive experience of everyday life in communist Yugoslavia—a very different time in Croatian history.

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

This World War I fortress is the perfect place to catch a Montenegrin sunset.

On top of a resort town as old as the Bronze Age sits an incredible war memorial statue overlooking the beaches below.

This Canary island is a quintessential example of nature’s beauty, and its unbridled fury.

A Spanish town built into the cliffs.

A science fiction-inspired apartment building designed by a famous Spanish architect.

Village situated on a narrow volcanic escarpment.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

A 1970s resort city now stands abandoned, caught in the middle of a divided island.

After this one-of-a-kind palace was built the architect's hands are said to have been cut off to keep it that way.

Hidden beneath a washing machine in a fake kibbutz, this secret bullet factory has been preserved as a museum.