"Dinosaurs: Ancient Fossils, New Discoveries," Atlanta. Through Sunday, Fernbank Museum of Natural History, 767 Clifton Road NE, Atlanta. $15 adults, $14 students and seniors age 62 and older with ID, $13 children ages 3-12, free for children age 2 and younger and museum members. 404-929-6400.
Clermont City Celebration, Clermont. Formerly "Clermont Days." Music, 1K walk, 5K run, car show, free kids' activities, parade, fireworks at dark. Festival begins 9 a.m. Sept. 5; community-wide outdoor church service, Sept. 6; downtown Clermont and Concord Baptist Church. 678-616-4778.
Fall Arts Festival, Flowery Branch. Art, children's activities, book bags and T-shirts for sale. 10 a.m. to 3;30 p.m. Sept. 12, Spout Springs Library, 6488 Spout Springs Road, Flowery Branch.
"Elmo's Green Thumb," Atlanta. Sesame Street Live. 7 p.m. Sept. 17; 10:30 a.m. and 7 p.m. Sept. 18; 10:30 a.m., 2 and 5:30 p.m. Sept. 19; 1 and 4:30 p.m. Sept. 20, Philips Arena, 1 Philips Drive, Atlanta. $17-$87. Ticketmaster.
"Tools for Living," Sautee. Exhibit of tools used to sustain early valley inhabitants. 10 a.m.-5 p.m. Monday-Saturday, 1-5 p.m. Sunday, Sautee Nacoochee Community Association History Museum, 283 Ga. 255 N, Sautee. 706-878-3300.
Movies Under the Stars, Buford. Concert and movie. 6:30 p.m. Saturdays through Sept. 5. Mall of Georgia, 3333 Buford Drive, Buford. Free. 678-482-8788.
Story times, Hall County. Children can listen to stories, sometimes read by special guests. Various days and times at libraries in the Hall County Library System. Free.
"Waters of Time: The Chicopee Woods Story," Gainesville. Learn about previous eras and inhabitants of Chicopee Woods. 10 a.m. to 5 p.m. Monday-Saturdays, Elachee Nature Science Center, 2125 Elachee Drive, Gainesville. $3 adults, $2 children ages 2-12, age 1 and younger and members free. 770-535-1976.