A little sculpture with a large wardrobe.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

Climb inside an iron crystal magnified 165 billion times its normal size.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A 360 degree battlefield experience.

Moscow's imposing monument to the Space Age.

Museum celebrating the achievements of the Soviet space program.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

Pyongyang’s Arch of Triumph is the second tallest triumphal arch in the world.

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

This North Korean pegasus statue was built as a symbol of the speed and perseverance of North Korean workers.

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

A symbol of the Workers' Party of North Korea.

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

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

Captured in 1968, the Cold War spy ship is the only U.S. Navy vessel being held by a foreign government.

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

Metro station with a claim to rock n' roll fame.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

Berlin's old airport.

A fascinating insight into daily life in the Eastern Bloc.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.