COUNTYButler County Historical Society at the Senator Walter Lowrie House Museum, 123 W. Diamond St., is open 9 a.m. to 4 p.m. Tuesdays through Fridays. Call 724-283-8116 or visit www.butlerhistory.com.Harmony Museum, 218 Mercer St., offers tours from 1 to 4 p.m. daily except when the museum is closed Mondays. Admission is $7 for adults, $6 for senior citizens, and $3 for youths 6 to 17. Call 724-452-7341.

PITTSBURGHHeinz History Center, 1212 Smallman St., hosts a performance by flutist Luisa Sello and pianist Bruno Canino from 7 to 9 p.m. Friday. Tickets are $15 for adults, $12 for senior citizens, and $10 for students. Visit www.heinzhistorycenter.org.Fort Pitt Museum, Point State Park hosts the exhibition “Captured by Indians: Warfare & Assimilation on the 18th Century Frontier” through May 22. Admission is $7 for adults, $6 for senior citizens, $4 for retired and active military, and $3.50 for children 6 to 17. Hours are 10 a.m. to 5 p.m. daily. Visit www.heinzhistorycenter.org.Children’s Museum, Allegheny Square, presents TapeScape 2.0, showing unexpected uses for packing tape, through May 22. Hours are 10 a.m. to 5 p.m. daily. Admission is $14 for adults and $13 for children ages 2 to 18 and senior citizens. Visit www.pittsburghkids.org.National Aviary, 700 Arch St., has admission of $14 for adults and $13 for senior citizens and children 2 to 12. Hours are 10 a.m. to 5 p.m. daily. Visit www.aviary.org.Phipps Conservatory and Botanical Gardens, 700 Frank Curto Drive, is open 9:30 a.m. to 5 p.m. daily, and until 10 p.m. Fridays. Admission is $15 for adults, $14 for senior citizens and students and $11 for children 2 to 18. Visit phipps.conservatory.org.