Preservation Parks of Delaware County is offering free “end-of-summer” programs that include:
• “Hike into Night: Sight.” Friday, Aug. 21, 8:30 p.m. Learn now animals use their sense of sight to navigate the night and help them survive. Free; ages 6 and older. Shale Hollow Preserve, 6320 Artesian Run, Lewis Center.
• “Paper Moon Photo and Dance.” Friday, Aug. 21, 6 to 9 p.m. In the 1930s, most people did not own a camera, and a sitting with a photographer was expensive. But for as little as a nickel, one could pose with someone special on a “paper moon hanging over a cardboard sea” at a carnival or fair. Visit the farm and get a one-of-a-kind photo taken in front of a paper moon, and then enjoy music and dancing. All ages. Gallant Farm, 2150 Buttermilk Hill Road, Delaware.
• “Railroad Fun.” Saturday, Aug. 22, 10 a.m. to 6 p.m. Watch model trains while learning about the history of railroading in America. Free; all ages. Big Walnut Community Trail House, 168 S. Vernon St., Sunbury.
• “Little Adventurers.” Tuesday, Aug. 25, 10 a.m. This informal outdoor preschool program is designed to help children explore and become comfortable in nature. A short “look and find” hike will be followed by hands-on activities. Free; ages 0-5. Emily Traphagen Preserve, 5094 Seldom Seen Road, Powell.