Old Stone House will be the site of a program from 10 a.m. to 4 p.m. July 14 and 15 about what life was like in the late 18th and early 19th centuries. Reenactors will present information and demonstrations on animal trapping and trading, tomahawk and knife throwing, blacksmithing and general survival skills from the frontier days in Western Pennsylvania. A food demonstration and tasting will be offered. A $3 per person or $5 per family, donation is requested. The Old Stone House is at the intersection of Routes 8, 528 and 173. Call 724-738-4964 or 724-738-2409.

Harmony Museum on Mercer Street in Harmony will reprint the area history book “Window on the Past, a Look Back at 19th Century Life in Harmony and Zelienople.” The soft-cover, 107-page edition contains 32 black-and-white illustrations and can be purchased for $15 at the museum shop, 222 Mercer St., and online at www.harmonymuseumshop.org. Proceeds benefit the historical society that operates the museum.

Carnegie Science Center, North Side, is having a July 4th Fireworks blowout on Wednesday. Behind-the-scenes “tech tours” of the USS Requin submarine will take place from 9 to 11 a.m. Sunday and July 15 and 29, and Aug. 12 and 26. Participants must be age 15 or older. Cost is $20 and reservations are required. Call 412-237-1637. “Guitar: The Instrument That Rocked the World” continues with a performance by Bill Deasy from 2 to 3 p.m. July 7. Regular admission is $17.95 for adults and $11.95 for children ages 3 to 12. Call 412-237-3400.Phipps Conservatory and Botanical Gardens at One Schenley Park presents its summer flower show “Fountains of Youth” through Sept. 30. 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.Heinz History Center, 1212 Smallman St., is open daily from 10 a.m. to 5 p.m. Admission is $10 for adults, $9 for senior citizens, $5 for students with ID and for children ages 4 to 17, and free for children 3 and younger. Call 412-454-6000 or visit www.heinzhistorycenter.org.National Aviary, 700 Arch St., has opened a new burrowing owl exhibit that shows the baseball-sized owls, native to the western United States and South America, in their underground burrows. Also open is “Parrots of the Caribbean” in the Helen M. Schmidt FliteZone Theater, and the aviary's rooftop Sky Deck theater features birds of prey in free-flight demonstrations. The aviary 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 or visit www.aviary.org.Children's Museum, 10 Children's Way, Allegheny Square, presents “The Wizard of Oz Children's Educational Exhibition” through Sept. 2. The museum will be closed July 4. Museum hours are 10 a.m. to 5 p.m. Mondays to Saturdays and noon to 5 p.m. Sundays. Admission is $12 for adults, $11 for children ages 2 to 18. 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 Sept. 30. The ToonSeum will be closed Wednesday for the Fourth of July. 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.