LINN COUNTY, Oregon – If you and your family are looking to explore old country-side relics, check out the Thompson’s Mills State Heritage Site in the Willamette Valley of Oregon. The site of the oldest water-powered mill in the state is bathed in rural heritage and is a must-see for the local history enthusiast. Daily tours take you through the mill to see the turbines and milling machines in action.Free tours are available. Groups are asked to call ahead. Find more information at Thompson's Mills State Heritage Site or call 800-551-6949.