ALL TREATS NO TRICKS free Halloween event is 4-7 p.m. at the Lee County Fairgrounds, 1100 N. Main St., Donnellson, hosted by Lee County Crime Stoppers.
BENEFIT FOR SAM HOPEWELL to raise funds for expenses related to throat cancer diagnosis is 4-6 p.m. at Chavey’s Bar and Grill, 1500 Agency St. There will be children’s activities, silent auction, 50/50, raffles, a taco bar for $10 per person and a cash bar. Email shayj2605@yahoo.com to have donated items picked up.
CHESS CLUB invites everyone to learn or teach chess, or just play, 9 a.m., at Burlington Public Library, 210 Court St.
COLTON OVERTON, executive director, will play 10 historic funeral, Halloween, and spooky pieces on the historic Martin Bruhl piano at Des Moines County Heritage Center Museum, 501 N. Fourth St., 10 a.m.-noon. Use the main, Fourth Street entrance.
DENMARK RENAISSANCE FAIRE is 10 a.m.-6 p.m. at 502 Academy Ave., Denmark, with authentic Highland Games, 40 riverfront artisans, 30 tents of living history in the woods and lakeside, three stages of local music and shows. For tickets, visit denreniowa.com
DONNELLSON FALL FRENZY will feature a Donnellson Library book sale, 8 a.m.-4 p.m.; Cruise-in, 9 a.m.2 p.m. on Main Street, Citywide Yard Sales and the All Treats No Tricks event.
DREAM BIG BASH is 6:30 p.m. at Burlington Notre Dame High School, with live music by Jive Radio, heavy appetizers by Fork Catering, silent auction, food and fun. Check the Notre Dame website for more.
GEODE CHALLENGE RACES are 9 a.m. at Geode State Park. To learn more or to register, visit friendsofgeode.org
HALLOWEEN BEES BOO BASH opens at 5:30 p.m. at Community Field, 2712 Mount Pleasant St. Admission is $1, and there will be a bounce house, playground, face painting, crafts, a costume contest, and screening of “Hotel Transylvania.”
HAUNTED AUDITORIUM in Memorial Auditorium is open 7-11:30 p.m. Enter if you dare.
HETTA GILBERT RESALE is 9 a.m.-3 p.m. at the former Marshall’s location at Westland Mall.
LIVE MUSIC BY JONAS MAGRAM is 7-9 p.m. at the Night Cap.
OCTOBER MEAT FRENZY is 1-5 p.m. at Farney’s, 702 Jefferson St., and will raise funds for Wreaths Across America. Tickets for $1 buy a chance for one of 12-15 baskets with meat bundles. This is the first of the season.
THE WITCHES will be shown at 7 p.m. at The Capitol, 211 N. Third St.
TRACK OR TREAT at 34 Raceway, 10463 S. Prairie Grove Road, West Burlington, is 2 p.m.
WALK TO END ALZHEIMER’S check-in is 8:459:30 a.m., opening and Promise Garden Ceremony is 9:45 a.m., walk is 10:20 a.m. at Westland Mall. To learn more, contact Michelle Kerman at (319) 2374900, or burlingtonwalk@alz.org
WEVER FIRE ANNUAL TACO FUNDRAISER is 11 a.m.-7 p.m. at the Wever Fire and Rescue station, 1692 354th Ave.