1. Arbor Day Celebration at Franklin Park Conservatory When: Friday & Saturday, April 28 & 29, 2017 Time: 10:00 AM – 5:00 PM Location: 1777 E. Broad St. Columbus, OH 43203 Phone: 614-715-8000 This fun and educational event includes tree climbing for kids AND adults, a scavenger hunt, tree ring counting, and more opportunities to learn about trees …