1. Mastodon State Historic Site
1050 Charles J Becker Dr, Imperial, MO 63052
Coordinate: 38.380505,-90.38351
Phone: (636) 464-2976
2. Kimmswick Historical Society
6000 3rd Ave, Imperial, MO 63052
Coordinate: 38.392735,-90.43114
Phone: (636) 464-8687