The Dacotah Prairie Museum is a county-supported history and education institution located in Aberdeen, South Dakota. Its mission is to collect, preserve, research, and interpret the natural and cultural history of Brown County and the surrounding Dacotah region. The museum features over 18 gallery and exhibit spaces showcasing art, historical displays, educational content, and children's exhibits, with many exhibits changing throughout the year. It also hosts various programs and events and includes an onsite gift shop. The museum aims to foster regional identity, connect people with their heritage, and ensure the stories of past generations are preserved and shared.