Wehrmuehle Located in Brandenburg, practically on the banks of the Finow river, Wehrmuehle is an idyllic place where art, culture, and nature can be enjoyed during the summer months. During the day, Berliners picnic on the lawn surrounding the old mill, and at dusk, the garden glows by candlelight. Each year, Wehrmuehle hosts Art Biesenthal, a summer program dedicated to international contemporary art. Art Biesenthal Art Biesenthal is an annual art exhibition and summer program held at Wehrmuehle Biesenthal, focused on bringing together both emerging and established international artists. Wehrmuehle is a historic site nestled within a proposed UNESCO biosphere reserve under the designation "Man and the Biosphere."