Local/regional historical and ethnic (German) collections.
Open Sundays and holidays and by appointment Memorial Day thru Labor Day.
Other History nearby:
(Glendale) Catlin Court Historical District
(Mandan) Custer House - Cavalry Square
(New Salem) Custer Trail Museum
(Bismarck) Former Governor's Mansion
(Stanton) Ft. Clark Historic Site
(Washburn) Ft. Mandan Historical Site