COUNTY

Butler County Historical Society at the Senator Walter Lowrie House Museum, 123 W. Diamond St., hosts “We Can Do It! WWII,” created by the Senator John Heinz History Center, through Aug. 8. Admission is free. Hours are 10 a.m. to 5 p.m. Wednesdays, noon to 8 p.m. Thursdays and Fridays and 11 a.m. to 4 p.m. Saturdays and Sundays. The exhibit is closed Mondays and Tuesdays for group tours (call to schedule). 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.

REGION

Meadowcroft Rockshelter and Historic Village, Avella, Washington County, is open Wednesdays through Saturdays from noon to 5 p.m., and on Sundays from 1 to 5 p.m. Admission is $15 for adults, $14 for senior citizens, and $7 for children 6 to 17. Call 724-587-3412.

PITTSBURGH

Fort Pitt Museum, Point State Park, presents “From Maps to Mermaids: Carved Powder Horns in Early America” through Jan. 14. 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.

Heinz History Center, 1212 Smallman St., hosts “#Pixburgh: A Photographic Experience,” through Aug. 20. Hours are 10 a.m. to 5 p.m. daily. Admission is $16 for adults, $14 for senior citizens, and $6.50 for children 6 to 17. Call 412-454-6000.

National Aviary, 700 Arch St., is open daily 10 a.m. to 5 p.m. Admission is $14 for adults and $13 for senior citizens and children 2 to 12. Call 412-323-7235.

Children’s Museum, Allegheny Square, hosts “Hands-On Harley-Davidson” through Sept. 10. Hours are 10 a.m. to 5 p.m. daily. Admission is $16 for adults and $14 for children 2 to 18 and senior citizens. Call 412-322-5058.

Carnegie Museum of Natural History, 4400 Forbes Ave., presents “The Power of Poison” through Sept. 4. Admission is $19.95 for adults, $14.95 for senior citizens, and $11.95 for children 3 to 18. Call 412-622-3131.