Saturday, Oct. 29
• The Science of Brains — 1-4 p.m. Saturday, Carnegie Museum of Montgomery County,
222 S. Washington St. Free, family event. Hands-on activities. Candy distributed. Costumes welcome.
• Crawfordsville School Transportation Trunk or Treat — 4-6 p.m. Saturday, Bus Barn parking lot (Hoover Field).
• Trunk or Treat — 4-6 p.m. Saturday, Hope Chapel, 110 S. Blair St.
• Adult Howl-O-Ween Party — 5 p.m. Saturday, Montgomery County Fairgrounds, 400 Parke Ave. Costume contest, escape room, lawn games, silent auction, dinner, cash bar, music and more. Tickets $50 and can be purchased at the Animal Welfare League or through eventbrite.com.
• Whitesville Christian Church Trunk or Treat — 5-8 p.m. Saturday, Pike Place, downtown Crawfordsville. Food, music and more. Free.
• Witches, Wizards and Wild Things Halloween Party — 8 p.m. to midnight Saturday, Emporium 109, 109 E. Main St., Ladoga. Adults only Halloween costume party.
Sunday, Oct. 30
• Trunk or Treat — 1-3 p.m. Sunday, Crawfordsville Eagles Aerie #1005.
• Trunk or Treat — 4-6 p.m. Sunday, New Hope Christian Church, 2746 S. U.S. 231.
• Trunk or Treat — 5-7 p.m. Sunday, Woodland Heights Christian Church, 468 N. Woodland Heights, Crawfordsville.
Monday, Oct. 31
• Crawfordsville Trick or Treat — 5-8 p.m. Monday.
• Darlington Trick or Treat — 5-8 p.m. Monday.
• Trunk or Treat — 5-8 p.m. Monday, Friendship Baptist Church, 1981 W. Oak Hill Road.
• Hillsboro Trick or Treat — 6-8 p.m. Monday.
• Covington Ghost Walk — 6-7:30 p.m. Monday, for trick or treating on the Covington Square.