During the Cold War, Potsdam was the Hollywood of the DDR (the Deutsches Demokratisches Republik), and Babelsburg was the name of the studio at which all the films were produced. Now, however, its a museum within an hours journey from Berlin. Potsdam is easily accessible via S-bahn, and the museum is within walking distance of the Potsdam Hauptbahnhof (the main train station in Potsdam). The museum has a very modest entrance fee, but once inside, you are treated to all kinds of movie memorabilia.
Those who have visited the museum prior to 2005 will remember that not the entire museum at the was translated into English, but enough of it was visual so that a visitor who spoke no German could still enjoy it. The permanent exhibit is both intellectual and fun in that it deals with the politics of the 20th century and how it influenced film production. Even if one has zero interest in politics, the various film props and costumes are of interest. The exhibit is pleasingly interactive, but not overwhelmingly so: there are touch screens that quiz the visitor on which scenes movies come from, for example, and one can listen to interviews about the filmmaking...