National Mississippi River Museum & Aquarium and National Rivers Hall of Fame

The Dubuque County Historical Society is comprised of the National Mississippi River Museum & Aquarium, which includes the William M. Black dredge steamboat (a National Landmark), National Rivers Hall of Fame, RiverWorks Discovery, and other historic buildings and vessels on its 14-acre campus; and the Mathias Ham Historic Site, which includes Mathias Ham's Italianate villa, Iowa's oldest building, and other historic and recreated structures on the two-acre site. Museum operations and collections - The Museum is open 363 days of the year and served 198,004 onsite guests in 2023. The operations included inspiring stewardship by creating educational experiences where history and rivers come alive! Continued on Schedule O.The collection consists of 2,240 animals of 242 species in our living collection and 21,665 artifacts/objects in our historical collection. We also have 4,400 linear feet of archival material and 8,500 books in our research library. Many of the collections are on display in the 3 buildings on both sites, including the library which serves as a research site.Museum education - The Museum provided special programming for 9,564 student groups, 9,935 adult groups and 15,365 people off-site in 2023.