Harmony Museum on Mercer Street in Harmony will host an antique gun show from 9 a.m. to 4 p.m. Saturday in Stewart Hall. The museum is open from 1 to 4 p.m. daily; closed Mondays. Reservations are suggested for weekends and required for groups. Call 724-452-7341 or 888-821-4822. Visit www.harmonymuseum.org.

PITTSBURGHToonSeum, Pittsburgh's Museum of Cartoon Art at 945 Liberty Ave., presents "The Dog Days of Summer: Cartoon Canines" through Sept. 19. Snoopy, Scooby Doo, Huckleberry Hound, Pluto, Underdog, Ruff and Goofy are represented. Hours are 10 a.m. to 3 p.m. Wednesdays and Thursdays, 10 a.m. to 5 p.m. Fridays and Saturdays and 11 a.m. to 4 p.m. Sundays. Admission is $4 for adults and $3 for children ages 5 to 17; children younger than 5 are admitted free. Visit www.toonseum.org.

Phipps Conservatory and Botanical Gardens in Schenley Park hosts its sixth "Red, Ripe and Roasted: Tomato and Garlic Festival" from 11 a.m. to 5 p.m. Aug. 29. Those who take a bag of fresh produce to donate to the Greater Pittsburgh Community Food Bank will receive free admission to the festival and the Conservatory during festival hours. Call 412-622-6914 or visit www.phipps.conservatory.org.

Children's Museum, 10 Children's Way, Allegheny Square, features "Curious George: Let's Get Curious!" through Oct. 3, which introduces young children to interactive math, science and engineering-based adventures while emphasizing the role parents and caregivers play. Museum hours are from 10 a.m. to 5 p.m. Mondays to Saturdays; and noon to 5 p.m. Sundays. Admission is $11 for adults; $10 for senior citizens older than 65 and children ages 2 to 18, and free for children younger than 2. Call 412-322-5058.