An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

A striking 12th-century-style castle built on the edge of a cliff.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

No one knows the meaning behind this giant sculpture of a nude woman with a fork riding a rooster in Havana.

A bronze sculpture of Lenin’s likeness outside Havana surrounded by 12 human figures in solidarity with the Bolshevik Revolution.

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

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

This mysterious pig iron pillar does not rust, despite being weathered by the elements for centuries.