Explore Dassel's rich history by taking a self-guided tour or scheduleing a group tour at the Dassel History Center. Learn about the significance of ergot and seed corn production, hear the amazing story of Swedish immigrant Magnus Johnson and his rise to the U.S. Senate, step into Ralph Peterson's pharmacy and visit Dassel's own Wizard of Oz Munchin Hildred Olson. The History Center is open Tuesday through Friday, 8am to 4pm, and Saturday, 9am to 1pm. Group tours can be scheduled by calling the History Center at 320-275-3077.