Filming in Museums and Memorials
There is a plenty of museums and Memorials in Berlin and Brandenburg.
Important sites are 'Museumsinsel' with e.g. the Old National Gallery, 'Kulturforum' with e.g. the New National Gallery, Dahlem and Charlottenburg.
These museums are under administration of Stiftung Preussischer Kulturbesitz (Foundation for Prussian Culture Possessions). This Foundation is also contact for shooting permits.
Detailed Information on Staatliche Museen zu Berlin you find at the website of Stiftung Preussischer Kulturbesitz.
A good linklist to museum and memorials in Berlin and Brandenburg you find at the website of Deutsches Historisches Museum (DHM - German Historic Museum).
For shooting permits please contact the administration of the particular museum.