Old Stone House will be the site of American Civil War programs on Saturday and Sunday. The free event is held in conjunction with the 10th Pennsylvania Reserves Mercer Rifles re-enactment group. Hours are 10 a.m. to 5 p.m. The Old Stone House, along Route 8 near its intersection with routes 173 and 528, will be open for guided tours. Refreshments will be available. Call 724-738-4964 or visit www.oldstonehousePA.org.

Harmony Museum on Mercer Street in Harmony, representing the town founded in 1804 by pacifist German Lutheran Separatists and their Harmony Society, is open from 1 to 4 p.m. daily; closed Mondays and holidays. Reservations are suggested for weekends and required for groups. Call 724-452-7341 or 888-821-4822, or visit the website, www.harmonymuseum.org.

<B>Heinz History Center</B>, 1212 Smallman St., is showing a new 1960 World Series exhibition called "Beat 'Em Bucs — The Story of the 1960 Pittsburgh Pirates." Center hours are 10 a.m. to 5 p.m. daily, except holidays. Admission is $10 for adults, $9 for senior citizens age 62 and older, $5 for students with ID and for children ages 4 to 17, and free for children 3 and younger. Call 412-454-6000.<B>ToonSeum</B>, Pittsburgh's Museum of Cartoon Art at 945 Liberty Ave., presents "The Dog Days of Summer: Cartoon Canines" through Sunday. Snoopy, Scooby Doo, Huckleberry Hound, Pluto, Underdog, Ruff and Goofy are represented. Museum 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.<B>Children's Museum</B>, 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. The extra program "Meet Curious George" will take place from 2 to 2:30 p.m. Saturday and Sept. 25 and from 11:30 a.m. to noon Wednesday and Sept. 29. 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. Parking is $5 for nonmembers. Call 412-322-5058 or visit the website www.pittsburghkids.org.<B>Carnegie Museum of Natural History</B>, 4400 Forbes Ave. in Oakland, features "Pittsburgh Adorned: Classic to Contemporary" with more than 80 pieces of jewelry from private local collections and those of the Carnegie Museums of Art and Natural History to celebrate the love, status and even politics that jewelry evokes. The exhibit continues through Oct. 17. Museum hours are 10 a.m. to 5 p.m. Tuesdays through Saturdays, with additional hours until 8 p.m. Thursdays, and noon to 5 p.m. Sundays. Closed major holidays. Admission, which includes the Carnegie Museum of Art, is $15 for adults, $12 for senior citizens, and $11 for students with ID and children ages 3 to 18, and free for members and children younger than 3. Call 412-622-3131 or visit the website, www.carnegiemnh.org.region<B>Meadowcroft Rockshelter and Historic Village</B> in Ambridge will celebrate Erntefest, a traditional German harvest festival, from 10 a.m. to 4:30 p.m. Sept. 25. Tickets are $10 for adults, $5 for children ages 3 to 17 and free for children younger than 3. The historic site is open from noon to 5 p.m. Saturdays and from 1 to 5 p.m. Sundays. Call 724-266-4500 to confirm programs.