The St. Charles County Police Department's annual Open House will take place 11 a.m.-3 p.m., Saturday, Sept. 18, at 101 Sheriff Dierker Court in O'Fallon. Bring your family for behind-the-scenes tours of the department, vehicles and equipment, as well as safety presentations, K9 demonstrations, giveaways and much more! Follow the department's Facebook and Twitter pages for updates.