Description:Take a tour of Potsdam Castle in Germany – part of the World’s Greatest Attractions series by GeoBeats. On the lush green German grounds in the city of Potsdam, lies one of city's most valuable treasures. The illustrious Potsdam castle is a gorgeous masterpiece nestled amidst vineyards. Designed by a famous Prussian architect, it was a getaway for the famous Prussian king, Frederick the Great, from Berlin city.(1:08)