Blue Earth County Historical Society History Center, Mankato — “Greetings from Blue Earth County’s Main Street” and “Toys!” this month at 424 Warren St. Artist displays: Rochelle Koberoski’s “Rural Roots” and Kyle Seys “Days Well Spent.” Reception for Seys’ exhibit 11 a.m.-2 p.m. May 4. Hours: 9 a.m.-5 p.m. Tuesday-Friday and 10 a.m.-4 p.m. Saturday.
Brown County Historical Society Museum — Permanent exhibits including “Never Shall I Forget: A New Look” at 2 N. Broadway, New Ulm. Hours: 10 a.m.-4 p.m. Tuesday-Friday and 10 a.m.-3 p.m. Saturday; admission $7 adults; senior and military discounts.
Nicollet County Historical Society’s Treaty Site History Center, St. Peter — “More Than a Headline: A Closer Look at the Art and Life of Camilla Hall” through Aug. 24 at 1851 N. Minnesota Ave. Hours: 10 a.m.-4 p.m. Tuesday through Saturday. $7 for ages 19-64; $6 for ages 55 and older.
Waseca County History Center — “Barbie and Me” exhibit through May 30 at 315 Second Ave. NE, Waseca; Hours: 9 a.m.-5 p.m. Tuesday through Friday and noon-3 p.m. Saturday.