Looking for something fun to do in metro Atlanta this weekend? Fairs and food festivals are on the calendar.

» RELATED: 10 can't-miss Atlanta festivals in September

Check out the following 16 things to do in metro Atlanta this weekend:

Cobb

Taste of Smyrna Festival of Delectable. 11 a.m.-8 p.m. Saturday, Sept. 14. Free admission with $1-4 for samples. Village Green, Downtown Smyrna. https://www.facebook.com.

Sample dishes from over 30 local restaurants, let the kids romp in their own zone and enjoy entertainment on the main stage.

Great Locomotive Chase 5K. 7:30 a.m. 1-mile fun run, 8 a.m. 5K and 8:30 a.m. tot trot. $30-35. Saturday, Sept. 14. In front of Kennesaw First Baptist Church, 2958 N. Main St., Kennesaw. kennesawgrandprix.com.

This fifth race in the Kennesaw Grand Prix Series will benefit educational programs at the Southern Museum.

Georgia RV & Camper Show. 11 a.m.-7 p.m. Friday, Sept. 13, 10 a.m.-8 p.m. Saturday, Sept. 14 and 10 a.m.-5 p.m. Sunday, Sept. 15. $10 for ages 16 and up, $5 for kids age 6-15, free for kids 5 and under. $5 parking fee. Tickets are good for the entire weekend. Cobb Galleria Centre, Two Galleria Parkway, Atlanta. Discount coupon at natcshows.com.

Shop a huge indoor selection of 2020 motor homes, travel trailers and more.

Cobb Restaurant Week. Starts Saturday, Sept. 14. Various restaurants. Special menus for $15, $25 and $35 per person, plus tip and tax. travelcobb.org.

Try a new restaurant or visit an old favorite for three-course specials through Sept. 21.

DeKalb

The Sky is Falling: Stories of Asteroid and Comet Collisions with Earth. 6:45 p.m.-9 p.m. Friday, Sept. 13. $7 general admission, $5 seniors. Fernbank Science Center Jim Cherry Memorial Planetarium, 156 Heaton Park Drive NE, Atlanta. http://www.fernbank.edu.

Planetary geologist R. Scott Harris will host a multimedia planetarium presentation followed by a full-dome planetarium show.

ADMH Run for Health. 8 a.m. Sunday, Sept. 15. $30. Georgia State University, Dunwoody Campus, 2101 Womack Road, Dunwoody. 770-289-3631. theadmh.org.

Join the Adult Disability Medical Healthcare Run for Health to support services for teens and adults with developmental disabilities.

Concerts on the Square. 7 p.m. Saturday, Sept. 14. Free. Decatur Square, 101 E. Court Square, Decatur. decaturdba.com.

Enjoy an outdoor concert featuring Rhythm Earth, an Atlanta-based reggae rock duo.

The Welcoming Week celebration in Decatur Square celebrates the community's diversity.

Credit: From Welcoming America's Facebook page

icon to expand image

Credit: From Welcoming America's Facebook page

Welcoming Week Celebration in the Square. 4 p.m.-8 p.m. Friday, Sept. 13. Decatur Square, 101 E. Court Square, Decatur. welcomingamerica.org.

Celebrate the community's diversity with music, exhibitors, artisans, kid-friendly activities and food provided by local immigrant-owned businesses.

North Fulton

Llama Family Painting Class. 1 p.m.-2:30 p.m. Saturday, Sept. 14. $25 per canvas. Painting with a Twist, 11770 Haynes Bridge Road #801, Alpharetta. 470-294-0051. paintingwithatwist.com.

Bring your kids age 5 and up and join them in painting a llama for each of you.

Big the Musical. 8 p.m. Friday, Sept. 13, 2 p.m. Sunday, Sept. 15 and other dates through Sept. 29. $17-20. Act1 Theatre, 180 Academy St., Alpharetta. act1.simpletix.com.

This stage version of the classic 1987 movie tells the story of a kid who is granted his wish – to become "big." The musical is appropriate for all ages.

Back to Your Roots Farm Fair. Noon-4 p.m. Sunday, Sept. 15. Included with general admission of $10 for adults, $7 for seniors and students ages 13-18, $6 for children and free for CNC members and kids age 2 and under. Chattahoochee Nature Center, 9135 Willeo Road, Roswell. 770-992-2055. https://www.chattnaturecenter.org/.

Meet farm animals and farmers, learn about local food, join a guided hike of the Unity Garden and more.

Music on the Hill. 7 p.m.-9 p.m. Friday, Sept. 13. Free. Roswell City Hall, 38 Hill St., Roswell. 770-594-6271. roswellgov.com.

Unwind at the end of the week with an outdoor concert from jazz vocalist Karla Harris.

Gwinnett 

Carnival rides, fair food, exhibits and more are coming to the Gwinnett County Fair.

Credit: From gwinnettcountyfair.com

icon to expand image

Credit: From gwinnettcountyfair.com

Gwinnett County Fair. 5 p.m.-10 p.m. exhibit hall and 5 p.m.-11 p.m. carnival Friday, Sept. 13. 11 a.m.-11 p.m. exhibit hall and 11 a.m.-midnight carnival, Saturday, Sept. 14. 1 pm.-9 p.m. exhibit hall and 1 p.m.-10 p.m. carnival, Sunday, Sept. 15. Continuing through Sunday, Sept. 22. Admission is $10 for ages 12-64, $5 for ages 65 and older and 6-11 and free for kids 5 and under with a paid adult. Free parking. Separate tickets needed for rides. https://www.gwinnettcountyfair.com/.

Enjoy all the rides, exhibits, fair food, entertainment and more.

Rock'n the Ville Car-B-Ques and Brews. 1 p.m.-8 p.m. Saturday, Sept. 14. Lawrenceville Lawn, 210 Luckie St., Lawrenceville. http://www.rocknribville.com/.

Try many kinds of barbecue as you check out live entertainment and classic cars, and the kids can have fun and play games.

Monster Jam. 7 p.m. Friday, Sept. 13. Infinite Energy Arena, 6400 Sugarloaf Parkway, Duluth. $20-79. https://www.monsterjam.com/en-US.

Bring the family to watch drivers of customized high-powered vehicles battle for the championship.

Taste of Snellville. 4 p.m.-8 p.m. Saturday, Sept. 14. Free admission, samples for $1-3 with additional charge for rides. Snellville Towne Green, 2437 Main St., Snellville. 770-310-0429.

Taste samplings from restaurants, try some rides and take a chance to win a door prize. snellvilletourism.com.

» RELATED: More than 15 must-attend September 2019 food and drink events in metro Atlanta