Japanese national treasure originally built in 593 CE.

Tokyo’s only Vaudeville-cuckoo clock–steampunk-Victorian curio cabinet time piece.

The 10,000 Torii shrine.

Secret North Korean passage discovered below the world's most dangerous border.

Dozens of padlock-trees along the Moscow River.

Moscow's imposing monument to the Space Age.

Museum celebrating the achievements of the Soviet space program.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

One of its engravings is believed to be among the first representations of medical and surgical instruments.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

The final resting place of the great navigator, or maybe his brother.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

The deepest metro station in the world.

One of the most poignant ruins of the Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

This derelict superstructure was a very important warning system for the Soviet military.

What happens when you cross a mayor and a painter?

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

Oriental bazaar in the heart of Sarajevo.

The place where World War I began.

An ancient knight and a symbol of the city's freedom.