The Washington Railroad Society is hosting a 30th anniversary open house October 30-31 from 9 a.m.-3 p.m. at the white building near the Washington Community Center on the Washington County Fairgrounds. Refreshments will be served. A model railroad show will be held in conjunction with the open house from 9 a.m.-3 p.m. October 30-31 at the Knights of Columbus Hall in Washington. Event is free to attend.