The museum is located in Fort VII - Colomb which during the Second World War became the first German concentration camp on Polish ground. It documents the martyrdom of the people of Wielkopolska, and collects all kinds of exhibits from that period. The museum has a vast collection of camp correspondence, drawings,photographs, the prisoners’ personal documents as well as those issued by the German occupation authorities, and objects of everyday use, such as bread medallions, wallets, dictionaries, rosaries. The institution serves as an archive of prisoners’ relations and creates personalfiles with the descriptions of the fates of the people whofound themselves in Fort VII.

Next to the place of martyrdom, Fort VII with a preserved avenue of old fortress trees is a tourist facility, which is an example of 19th-century German fortification architecture.