Sibley County Historic Society and Museum
No admission feeLocal history museum in Henderson, Minnesota, housed in a historic mansion, with genealogy help and society resources.

Photo: McGhiever, CC BY-SA 4.0, via Wikimedia Commons. Cropped and resized.
Nicollet County Historical Society museum focused on the 1851 Treaty of Traverse des Sioux and its effects on the Dakota people.
1851 N. Minnesota Avenue, Saint Peter, MN 56082 · Saint Peter, MN
Run by the Nicollet County Historical Society, this museum in Saint Peter explores the 1851 Treaty of Traverse des Sioux and the lasting results it had for the Dakota people. Its permanent exhibit sits alongside changing displays, a Nicollet County Room covering the county's 13 townships, and an exhibit on Fort Ridgely. Visitors can also browse the gift shop or use the research library to trace their own local connections. The building has one floor and accessible restrooms, and the museum suits adults and children in fifth or sixth grade and older.
The closest stops to Treaty Site History Center, ordered by straight-line distance. A few more like it, plus some different kinds of fun so you can build a full day.
Local history museum in Henderson, Minnesota, housed in a historic mansion, with genealogy help and society resources.
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