COUNTYButler County Historical Society at the Senator Walter Lowrie House Museum, 123 W. Diamond St., is open from about 9 a.m. to 4 p.m. Tuesdays through Fridays. Call 724-283-8116 or visit www.butlerhistory.com.Harmony Museum, 218 Mercer St., Harmony, has museum tours that include the 1809 main museum building and wine cellar and a neighboring early 19th century house, both built by the communal Harmony Society, and a Mennonite log house, from 1 to 4 p.m. daily, except when the museum is closed Mondays and holidays. Admission is $7 for adults, $6 for senior citizens age 60 and older, and $3 for youths ages 6 to 17. Call 724-452-7341.

REGIONMeadowcroft Rockshelter and Historic Village, 401 Meadowcroft Road in Avella, Washington County, until Memorial Day is open from noon to 5 p.m. Saturdays and from 1 to 5 p.m. Sundays. From Memorial Day through Labor Day, Meadowcroft will be open noon to 5 p.m. Wednesdays through Saturdays and from 1 to 5 p.m. Sundays. Admission is $14 for adults, $13 for senior citizens, and $6 for children ages 6 to 17. Visit heinzhistorycenter.org and or call 724-587-3412.

PITTSBURGHNational Aviary, 700 Arch St., presents activities for Amazing African Penguins weekend from 11 a.m. to 3 p.m. Saturday and Sunday, included with admission of $14 for adults and $13 for senior citizens and children ages 2 to 12. Aviary hours are 10 a.m. to 5 p.m. daily. Call 412-323-7235 or visit www.aviary.org.Heinz History Center, 1212 Smallman St., presents “Toys of the ’50s, ’60s and ’70s.” Center admission of $16 for adults, $14 for senior citizens age 62 and older, and $6.50 for students and children ages 6 to 17. Hours are 10 a.m. to 5 p.m. daily except holidays. Call 412-454-6000 or visit www.heinzhistorycenter.org.Carnegie Science Center next to Heinz Field on the North Side, in honor of the U.S. Open Championship, taking place in June at Oakmont Country Club, hosts USGA’s “American Golf History — Coming to Life” experience through June 19. Admission to the Science Center is $18.95 for adults and $11.95 for children ages 3 to 12. Call 412-237-3400 or visit CarnegieScienceCenter.org. Science Center hours are 10 a.m. to 7 p.m. Saturdays and 10 a.m. to 5 p.m. Sundays through Fridays.Children’s Museum, 10 Children’s Way, Allegheny Square, presents the play exhibit/art installation TapeScape 2.0, showing the unexpected use of packing tape, through May 22. The Children’s Museum is open 10 a.m. to 5 p.m. daily. Museum admission is $14 for adults and $13 for children ages 2 to 18 and senior citizens. Children younger than 2 are admitted free. Call 412-322-5058 or visit www.pittsburghkids.org.Fort Pitt Museum in Point State Park hosts the exhibition “Captured by Indians: Warfare & Assimilation on the 18th Century Frontier” through May 22. Admission to the museum is just $7 for adults, $6 for senior citizens age 62 and older, $4 for retired and active military, and $3.50 for students with a valid ID and children ages 6 to 17, and free for children younger than 5. The museum is open from 10 a.m. to 5 p.m. daily. Call 412-454-6415 or visit www.heinzhistorycenter.org.