On Saturday, Sept. 30, it’s outdoors for “Harvest Happenings,” 11 a.m.-2 p.m. at St. Luke’s School, 7005 Georgetown Pike, McLean. Live entertainment, a petting zoo, crafts and games. All activities are free, except for the cost of purchasing pumpkins for crafts activities and food concessions. Visit www.mcleancenter.org for more.