Located in a beautifully restored 1912 Union Railroad Depot on the National Register of Historic Places, the museum contains exhibits focusing on the Louisiana Purchase survey of 1815 and on area railroads and other facets of local history. Serves as visitors' center for Brinkley and nearby Louisiana Purchase Historic State Park. Also located on the museum grounds is the 100 year old Arkansas Midland-MoPac depot from Monroe, AR and a furnished sharecropper house.