As a cultural and research institution, Potsdam Museum - Forum für Kunst und Geschichte collects, preserves and researches works of art, historical sources and documents on the history and culture of the city from the Middle Ages to the present day. With more than 270,000 objects, it houses one of the largest art, cultural and regional history collections in Brandenburg. The largest collections focus on the 19th - 21st century with the fields of fine arts, photography, militaria, everyday culture and applied art, writing and printing as well as an extensive scientific museum library.