SHIRLEY — The historic Octagon House in Shirley, 400 S. Railroad St., will host its 19th annual Christmas Tree Walk from 4 to 8 p.m., Dec. 5, 11 and 12. The self-guided tours are free to the public. A chicken noodle dinner is available the first weekend and a soup and sandwich meal is available the second weekend for $12. Both meals include dessert. Proceeds from food sales benefit continued restoration of the Octagon House. For more information, visit Shirley Indiana Octagon House on Facebook.