Celebrate Earth Day with a day of outdoor fun at Lake Metroparks’ Penitentiary Glen Reservation! This free, family‑friendly event features an eco‑fair with local conservation partners, exciting wildlife programs, interactive games, sustainable crafts, and hands‑on activities for all ages. Browse locally made and fair‑trade goods at the Earth Day Marketplace, ride the miniature steam train (weather permitting), and stop by The Nature Store. As a special Earth Day gift, each family will receive a FREE tree to plant at home and help nurture a healthier future. No registration needed.