Some events require advance registration or reservations; call ahead to confirm.

Robie House Secrets and Shadows Tour a 7-9 PM (tours begin every 20 minutes), 5757 S. Woodlawn, 708-848-1976, $12-$16.

Dream Halloween Annual fund-raiser for the Children Affected by AIDS Foundation, hosted by CSI: NY’s Melinda Kanakaredes. a Windy City field house, 2367 W. Logan, 312-580-1150, caaf4kids.org, 5-8:30 PM, $100-$200.

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Halloween Pumpkin Patches The Chicago Park District sponsors “patches” featuring pumpkin decorating, hayrides, and other family-oriented events. a 10:30 AM-noon, Andersonville Playlot Park, 5233 N. Ashland, 312-742-7877 F; 11 AM-3 PM, Archer Park, 4901 S. Kilbourn, 773-284-7029, $12; 11 AM-3 PM, Bessemer Park, 8930 S. Muskegon, 312-747-6023, various prices; 10 AM-2 PM, Humboldt Park, 1400 N. Sacramento, 312-742-7549 F; 11 AM-2 PM, Kosciuszko Park, 2732 N. Avers, 312-742-7546, $5; 11 AM-2 PM, Lake Meadows Park, 3117 S. Rhodes, 312-747-6287, $5; 11 AM-3 PM, Mount Greenwood Park, 3724 W. 111th, 312-747-6564 F; 11 AM-3 PM, Oz Park, 2021 N. Burling, 312-742-7898, $1-$3, 10:30 AM-noon, Revere Park, 2509 W. Irving Park, 773-478-1220, $10; 11 AM-2 PM, Unity Park, 2636 N. Kimball, 312-742-7529 F; chicagoparkdistrict.org.

SUNDAY22

The Night of 100 Drag Queens XIII a Sidetrack’s annual revue benefits Equality Illinois. a 8:30 PM, Sidetrack, 3349 N. Halsted, 773-477-9189, sidetrackchicago.com. Advance tickets $5 or $15 for reception beginning at 7 PM; tickets at the door $10, $20 for reception.

Mummies Night! Tales and Treats for Halloween a 6-8 PM Oriental Institute Museum, 1155 E. 58th, 773-702-9507, oi.uchicago.edu. F