Private Tours in Berlin

On my private tours through Berlin I almost daily pass one of Berlin's greatest exhibition centers: The Martin-Gropius-Bau, named after it's architect, the great uncle of Walter Gropius. Opened in 1881, the building used to house the Museum of Applied Arts and later the Museum of Prehistory as well as the Asian collection of Berlin. Having been heavily damaged in WW2, it avoided being torn down, standing just west of the Berlin Wall in the American Sector of Berlin. Many diff