The Old Stone House has public tours from 10 a.m. to 5 p.m. Saturdays and from noon to 5 p.m. Sundays through Oct. 26. The Old Stone House is at the intersection of Routes 8, 173 and 528 in Brady Township and is operated by Slippery Rock University. Call 724-738-2409.

Harmony Museum, 218 Mercer St., Harmony, offers guided 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 ages 6 to 17. Call 724-452-7341 or visit www.harmonymuseum.org.

Meadowcroft Rockshelter and Historic Village, 401 Meadowcroft Road, Avella, Washington County, is open for the season. An atlatl competition will be June 21. Meadowcroft is open noon to 5 p.m. Wednesdays through Saturdays and 1 to 5 p.m. Sundays. Admission is $12 for adults, $11 for senior citizens, and $6 for children ages 6 to 17. Call 724-587-3412.

National Aviary, 700 Arch St., presents “Taking Flight: An Aerial Adventure” twice daily at 11 a.m. and 2 p.m. in the rose garden. The shows are free with regular admission, which is $14 for adults, $13 for senior citizens and $12 for children. Hours are 10 a.m. to 5 p.m. daily. Call 412-323-7235 or visit www.aviary.orgHeinz History Center, 1212 Smallman St., is showing “Pittsburgh’s Lost Steamboat: Treasures of the Arabia.” Admission is $15 for adults, $13 for senior citizens, and $6 for students and children ages 6 to 17. Call 412-454-6000 or visit www.heinzhistorycenter.org.ToonSeum, Pittsburgh’s Museum of Cartoon Art, 945 Liberty Ave., hosts an exhibit about the children’s book series “Little Golden Books” through June 30. Admission is $6 for those over age 13 and $3 for children ages 6 to 12. Senior citizens, college students, veterans and active military pay $5. Call 412-232-0199 or visit toonseum.org.Children’s Museum, 10 Children’s Way, Allegheny Square, hosts “XOXO: An Exhibit About Love and Forgiveness” through Aug. 31. The museum is open 10 a.m. to 5 p.m. daily. Admission is $13 for adults and $12 for senior citizens and children ages 2 to 18. Call 412-322-5058 or visit www.pittsburghkids.org.Silver Eye Center for Photography, 1015 E. Carson St., presents “Here & Now: Queer Geographies in Contemporary Photography” through July 19. Hours are noon to 6 p.m. Tuesday through Saturday. Admission is free. Call 412-431-1810.