 Parts of the film Anna proletářka were filmed on location in Osek and Osek railway station.The medieval castle Rýzmburk ("Riesenburg") belonged to its founders, the powerful family from Rýzmburk until 1398; the ownership then shifted to the margraves of Meissen.It was one of the strongest fortresses in Bohemia and during the Hussite wars was considered impenetrable.