Retro movie festivals featuring Weimar directing stars like Lang and Ernst Lubitsch, and actors like Peter Lorre, Louise Brooks and Emil Jannings, happen regularly at the Babylon (Rosa Luxemburg-Strasse 30, babylonberlin.de) and the Arsenal (Potsdamer Strasse 2, arsenal-berlin.de) movie houses.
WSJ: Experiencing the 1920s in Berlin, Germany