10 a.m.-4 p.m. – Go on a tree climbing adventure at the Dunwoody Nature Center. $29 for members; $25 non-members. Enjoy all day activities for free, from 11 a.m.-4 p.m., such as face painting and tattoos, a photowalk, scavenger hunts, pumpkin carving (bring your own), and crafts and games. The center’s meadow offers picnicking from 4-5 p.m., followed by a concert by the Chattahoochee Chain Gang (free for members; $5 non-members; $3 children). Register for the tree climb at: www.dunwoodynaturecenter.org. 5343 Roberts Dr., Dunwoody, 30338. Call 770-394-3322 with questions.