Train Display in Suwanee

Holiday Train Display. 2-4 p.m. today. Free. George Pierce Park Community Recreation Center, 55 Buford Highway, Suwanee. Open to all ages to enjoy the O-scale model train, chugging through a winter setting. GwinnettCountyEvents.com.

Georgia Room Open House in Marietta

Open house of the Georgia Room. 2-4 p.m. today. Free. Switzer Library, 266 Roswell St., Marietta. Cobb County Genealogy Society members will provide information about beginning family history search. Open to all ages. 770-528-2320, cobbcat.org.

Alpharetta Christmas Tree Lighting

Alpharetta Christmas Tree Lighting. 5 p.m. activities begin, 7 p.m. Christmas Tree Lighting today. Alpharetta City Hall, 2 Park Plaza, Alpharetta. Faux flakes will fall on a portion of Old Roswell Street, serving as a playground for children. Also food trucks, Alpharetta Christmas Farmers Market, children’s crafts, community choirs and dance troupes. Mayor David Belle Isle and his family will lead a read-along of “’Twas the Night Before Christmas.” Free parking at the Milton Center (86 School Drive, Alpharetta) and the parking deck at City Hall. 678-297-6000, alpharetta.ga.us.

Fayetteville Christmas Parade, Tree Lighting

Main Street Fayetteville Christmas Parade and Tree Lighting. 5 p.m. parade, 6 p.m. Christmas Tree Lighting today. Free. Ga. 85 S. and Ga. 54 W., Fayetteville. Beginning from the Justice Center to the gazebo on the Fayetteville Square, the parade will include grand marshal Christian Taylor, an Olympic gold medalist. For the tree lighting ceremony, Santa and Mrs. Claus will be present with live music from vocalist Stephen Walker. 770-461-6029, fayetteville-ga.gov.

Tree Lighting in Roswell

Tree Lighting and Holiday Celebration on the Square. 5 p.m. today. Free. Town Square, 610 S. Atlanta St., Roswell. Includes carolers from local schools, Lighting of the Square, a reading of “‘Twas the Night Before Christmas” by Mayor Jere Wood and a visit from Santa. Park at the Adult Recreation Center, 830 Grimes Bridge Road, Roswell to ride the holiday shuttle bus for free to the Lighting of the Square, beginning at 4 p.m. RoswellGov.com.

Santa’s Secret Gift Shop in Roswell

Santa’s Secret Gift Shop. 6-8:30 p.m. today, 1-4 p.m. Sunday. Adult Recreation Center, 830 Grimes Bridge Road, Roswell. After the lighting of the Town Square, ride the holiday shuttle bus for free to the gift shop for children, ages 12 and under, to shop for gifts. RoswellGov.com.

Shopping Extravaganza in Marietta

Shopping Extravaganza with jewelry, food and home decorations. 6-9 p.m. today, noon-4:30 p.m. Sunday. Free. Congregation Ner Tamid, 1349 Old Highway 41, Marietta. 678-264-8575, MyNerTamid.info.

Living Nativity in Stockbridge

Living Nativity and Celebration With Lights. 6-8 p.m. today. Free. Bethel United Methodist Church, 245 Fairview Road, Stockbridge. Christmas trees, carolers, hot chocolate, cookies and gifts for children. 770-474-2570, bethel-umc.com.

Spelman-Morehouse Concert in Atlanta

Ninetieth annual Spelman-Morehouse Christmas Carol Concert by the combined Glee Clubs of Spelman and Morehouse Colleges. 6 p.m. Sunday. Free. Martin Luther King Jr. International Chapel, Morehouse College, 830 Westview Drive SW, Atlanta. 7:30 p.m. Saturday at Sisters Chapel, Spelman College, 350 Spelman Lane, Atlanta. Free tickets sold out for Spelman College performance, however, an overflow venue will be available on campus. The performance at Spelman may be viewed on spelman.edu/livestream at 7:30 p.m. on Saturday. 404-270-5476, spelman.edu.

Beth Shalom Bazaar in Dunwoody

Beth Shalom Sisterhood’s Holiday Bazaar. 11 a.m. to 3:30 p.m. Sunday. Free admission. Congregation Beth Shalom, 5303 Winters Chapel Road, Dunwoody. Gourmet goodies, jewelry, accessories, vintage clothing, skin and body care, ceramics, toys, handmade crafts and children’s activities. Synagogue office at 770-399-5300 or event coordinator Robin Levin at RobinGLevin@msn.com.

Southern Crescent Chorale in Peachtree City

Christmas With the Southern Crescent Chorale. 3 p.m. Sunday. $25 at the door, $20 adults, $15 seniors and students. First Presbyterian Church of Peachtree City, 206 Willow Bend Road, Peachtree City. Tickets: BrownPaperTickets.com/event/2592426. SouthernCrescentChorale.org.

Riverwood 5K Run in Sandy Springs

Riverwood Runs for a Reason 5K family fun run by the Riverwood Raiders Community Service Club. 7:15 a.m. registration, 8 a.m. today. $25 to $40. Heards Ferry Elementary School, 6151 Powers Ferry Road NW, Sandy Springs. Raising funds for the International Service Trip to Leon, Nicaragua in April. Runners of all abilities and ages, walkers, dogs and strollers are welcome. RiverwoodICS.org.

Reindeer 5K Fun Run in Powder Springs

Reindeer 5K Fun Run by Team Powder Springs. 9 a.m. to noon today. $10 adults, $5 children ages 4 to 12, free for children ages 1 to 3. Wildhorse Trail (by lower ball field), Wildhorse Park, 3820 Macedonia Road, Powder Springs. Pets are allowed if on leashes. CityOfPowderSprings.org.

Christmas Home Tour in Marietta

The Marietta Pilgrimage: A Christmas Home Tour. 9 a.m. to 6 p.m. Day Tour, 7-9:30 p.m. Candlelight Tour today, 10 a.m. to 6 p.m. Sunday. $20 to $35. Six private historic homes in the Kennesaw Avenue Historic District will be open for Day Tours and three for the Candlelight Tour. Day Tours will offer shuttle service with guides. For refreshments or a light lunch (bring cash), visit The Bistro at the Marietta Educational Garden Center, 505 Kennesaw Ave., Marietta. Many of Marietta’s historic public buildings also will be open along with Winter Wonderland on the Marietta Square. Tickets: Marietta Visitors Bureau at 770-429-1115 or 4 Depot St., Marietta. MariettaPilgrimage.com, MariettaGardenCenter.com.

Twisted Tinsel in Roswell

Twisted Tinsel Holiday Spectacular by Roswell’s Southern Trilogy. 10 a.m. to 4 p.m. today. Free for activities, $5 for house tours. Barrington Hall, Bulloch Hall, Smith Plantation. Ride the trolley among the three antebellum homes, decorated for the holidays, and participate in games and entertainment. RoswellGov.com.

Candy Cane Hunt in Mableton

Candy Cane Hunt. 10 a.m. to noon today. Free. Mable House Arts Center, 5239 Floyd Road, Mableton. Cookie decorating, crafts, marshmallow roasting, photos with Santa and candy cane hunts with prizes. SouthCobbArts.org.

Children’s Christmas Parade in Atlanta

The Children’s Christmas Parade. 10:30 a.m. to noon today. Free. Begins at Peachtree and 16th Streets and ends at Peachtree and 5th Streets. Also may be viewed on WSB-TV Channel 2. choa.org/parade.

Mable’s Tea Room in Mableton

Mable’s Tea Room. 11 a.m. to 2 p.m. through Dec. 10 (closed Sundays). Mable House Arts Center, 5239 Floyd Road, Mableton. 770-819-3285, SouthCobbArts.org.