Anoka County Historical Society Since 1934, ACHS has beed dedicated to preserving and sharing the history of Anoka County. Located on 3rd Ave, a block north of Main street in downtown Anoka, they are excelling. This non-profit organization brings the stories of Anoka County’s past, back to life and a perfect example of this is The Ghost of Anoka Walking Tour. Do you have an interest in spooky stories about real ghost encounters? Have you heard…