The Leavenworth County Historical Society, founded in 1954, Leavenworth’s Centennial Year, owns and operates the Carroll Mansion, which is listed on the National Registry of Historic Properties and the oldest museum in Leavenworth County. The museum attracts visitors year round from all over the country, and serves not only as an institution that acquires and preserves the rich history of Leavenworth County, but also as an ambassador.
Leavenworth County Historical Society
1128 Fifth Avenue
Leavenworth, KS 66048