Pet blessing and animal care expo: The Friends of Paw and Claws, in conjunction with the First Unitarian Church of Hobart, present the fourth annual Pet Blessing and Animal Care Expo planned from 10 a.m. to 3 p.m. Saturday, Sept. 29. Admission to the event is free at Festival Park, 111 E. Old Ridge Road, rain or shine. Vendor space is available. Call Cheryl Powell at 512-5852 or 962-5579 for more information.
Dream Big Walk: The Dawn Brancheau Foundation holds the second annual Dream Big Walk Sunday, Sept. 23, at the Lake County Fairgrounds, 889 S. Court St. Cost is $25 for adults and $10 for youth up to age 14, including an event T-shirt. Onsite registration is at 8:30 a.m., followed by the walk at 10. Closing remarks are at 11 a.m., followed by a picnic. Register online at www.DreamBigWalk.kintera.org. For more information, call 322-5916 or email DawnsWalk2012@aol.com.
Open house: Calumet Astronomical Society is holding an open house for public viewing of stars, planets and moons from 8 to 10:30 p.m. Saturday, Sept. 29, at the Conway Observatory, 19100 Chase St. For more information or for the status of the event conditions, call (773) 639-5491.