102 N. 14th St - Artifacts from prehistoric times to recent past relating to state and county history. Genealogical histories, 2,000-volume library, vital statistics, censuses and Lewis and Clark display. Open Tue-Fri, 9am-5pm; Sat:8-noon. $3 per adult, $1 children. Frahm House located at 220 S. 15th St is open first Sat of the month 8-noon. or by appt. 402-468-5740.