Prairie Grass museum open house:

Live bats, nature activities, games and giveaways are among the activities at the Prairie Grass Nature Museum open house from 10 a.m. to noon, Saturday, June 21. The outdoor education and nature museum at 860 Hart Road in Round Lake features realistic habitats, live animals and engaging activities, and offers nature-related programs for families and adults year round. Call (847) 740-9823.