Penn's Colony Festival continues Saturday and Sunday at the grounds at 365 Saxonburg Blvd., Clinton Township. The 29th annual event spotlights colonial America with demonstrations, food, entertainment and vendors. Hours are 10 a.m. to 6 p.m. Saturdays and 10 a.m. to 5 p.m. Sundays. Admission is $7 for ages 16 to 59, $6 for age 60 and older, $5 for ages 8 to 15, and free for age 7 and younger. Call 724-352-9922.

Harmony Museum, Mercer Street, Harmony, offers guided tours from 1 to 4 p.m. daily except Mondays. Reservations are suggested for weekends and required for groups. Call 724-452-7341 or 888-821-4822, or visit www.harmonymuseum.org.

Carnegie Science Center North Side, hosts reggae artist Uzell Finney of The Flow Band playing from 2 to 3 p.m. Saturday to wrap up the acoustic series running during the traveling exhibit: “Guitar: The Instrument That Rocked The World.” The performance is free with regular admission, which is $17.95 for adults and $11.95 for children ages 3 to 12. Most activities are included in the admission price, but some, like Omnimax films, cost extra. The center is open 10 a.m. to 7 p.m. Saturdays and 10 a.m. to 5 p.m. Sundays through Fridays. Call 412-237-3400.Phipps Conservatory and Botanical Gardens at One Schenley Park concludes the summer flower show “Fountains of Youth” on Sunday. Phipps is open daily from 9:30 a.m. to 5 p.m. and until 10 p.m. Fridays. Admission is $12 for adults; $11 for senior citizens and students with ID; $9 for children ages 2 to 18; and free for children younger than 2. Call 412-622-6914 or visit phipps.conservatory.org.Children's Museum, 10 Children's Way, Allegheny Square, is displaying “Tough Art” through Jan. 13. Missing Links (The Rainbow Jumpy) will run Oct. 6 to Feb. 3, featuring a 30-foot inflatable “jumpy” art piece. Hours are 10 a.m. to 5 p.m. daily. Admission is $13 for adults, $12 for children ages 2 to 18 and senior citizens, and free for children younger than 2. Call 412-322-5058 or visit www.pittsburghkids.org.ToonSeum, Pittsburgh's Museum of Cartoon Art at 945 Liberty Ave., presents “Pearls Before Swine: The Art of Stephan Pastis” through Sunday. Admission is $4 for adults and free for children 12 and younger. 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. Call 412-232-0199 or visit www.toonseum.org.National Aviary, 700 Arch St., is open daily from 10 a.m. to 5 p.m. Admission is $13 for adults, $12 for senior citizens, $11 for children ages 2 to 18, and free for children younger than 2. Call 412-323-7235.