This free family-friendly event teaches all about the public infrastructure that makes the city a great place to live, work, and play. The Santa Rosa City Works Festival includes activities for all ages including construction equipment tours, a CCTV pipe cleaning demonstration, fun booths about public works, scavenger hunt, and more. May 20 from 5-8:30 p.m. at the Downtown Wednesday Night Market in Courthouse Square, 600 4th St., Santa Rosa. Find additional details at tinyurl.com/ms43ukdk.