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.

REGIONMeadowcroft Rockshelter and Historic Village, Avella, Washington County, is open noon to 5 p.m. Saturday and 1 to 5 p.m. Sunday. Starting Memorial Day, hours are noon to 5 p.m. Wednesdays through Saturdays and 1 to 5 p.m. Sundays. Admission is $14 for adults, $13 for senior citizens, and $6 for children 6 to 17. Visit heinzhistorycenter.org.

PITTSBURGHHeinz History Center, 1212 Smallman St., presents “Toys of the ’50s, ’60s and ’70s.” Admission is $16 for adults, $14 for senior citizens, and $6.50 for children 6 to 17. Hours are 10 a.m. to 5 p.m. daily. Visit www.heinzhistorycenter.org.ToonSeum, a museum of cartoon art, 945 Liberty Ave., presents “Captain America: 75 Years of the Sentinel of Liberty” through Aug. 14. Military personnel and veterans are admitted free. Work by editorial cartoonists will be on display through Aug. 28. Admission is $8 for those 13 and older and $4 for children 6 to 12. Visit toonseum.org.Carnegie Science Center, North Side, in honor of the U.S. Open Championship being played in June at Oakmont Country Club, hosts the USGA’s “American Golf History — Coming to Life” through June 19. Admission is $18.95 for adults and $11.95 for children 3 to 12. Hours are 10 a.m. to 7 p.m. Saturdays and 10 a.m. to 5 p.m. Sundays through Fridays. Visit CarnegieScienceCenter.org.