Check if you can join a tour at Pickwick Mill. If not, this historic structure is still worth a photograph from the outside.
You'll soon discover why this Winona historic landmark is visited by many travelers. If you're searching for other things to see here, Perrot State Park, Great River Bluffs State Park, and Elmaro Vineyard are in the area as well. They won't take you long to reach from Pickwick Mill.