COUNTY

Butler County Historical Society at the Senator Walter Lowrie House Museum, 123 W. Diamond St., is closed while new exhibits are prepared.

Harmony Museum, 218 Mercer St., Harmony, will feature free ice cream during the third First Friday event from 4 to 7 p.m. during an open house at the Wagner House annex and garden, 222 Mercer St. Call 724-452-7341.

REGION

Meadowcroft Rockshelter and Historic Village, 401 Meadowcroft Road in Avella, Washington County, will host its Independence Day Celebration on Saturday and Sunday. 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 ages 6 to 17. Visit heinzhistorycenter.org or call 724-587-3412.

PITTSBURGH

Heinz History Center, 1212 Smallman St., will celebrate the 200th anniversary of the City of Pittsburgh’s incorporation in 1816 with the Pittsburgh Bicentennial Birthday Bash from 7 to 11 p.m. July 8. Call 412-454-6000 or visit www.heinzhistorycenter.org.

National Aviary, 700 Arch St., presents the interactive, walk-through Butterfly Garden featuring a variety of native butterfly species in the outdoor Rose Garden daily from 11 a.m. to 4 p.m. through mid-September, weather permitting. The Butterfly Garden is included with general admission, which is $14 for adults and $13 for senior citizens age 60 and older and children ages 2 to 12. Visit aviary.org or call 412-323-7235.

ToonSeum, Pittsburgh’s Museum of Cartoon Art at 945 Liberty Ave., hosts a free program exploring the relationship between U.S. veterans and comic book hero Captain America in “Super Soldiers: Captain America and the U.S. Military” at 7 p.m. Friday. The display “Captain America: 75 Years of the Sentinel of Liberty” continues through Aug. 14. All U.S. military personnel and veterans receive free admission. Work by the nation’s leading editorial cartoonists is on display through Aug. 28. Museum hours are 10:30 a.m. to 3:30 p.m. Mondays, Wednesdays and Thursdays, 10:30 a.m. to 7 p.m. Fridays, 10:30 a.m. to 5 p.m. Saturdays and 11 a.m. to 5 p.m. Sundays; closed Tuesdays and major holidays. Admission is $8 for those age 13 and older and $4 for children ages 6 to 12. Call 412-232-0199 or visit toonseum.org.

Children’s Museum, 10 Children’s Way, Allegheny Square, presents “Daniel Tiger’s Neighborhood: A Grr-ific Exhibit” through Jan. 17. 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.

Carnegie Museum of Natural History, 4400 Forbes Ave. in Oakland, hosts the traveling exhibition “50 Greatest Photographs of National Geographic,” which showcases some of the magazine’s most compelling photographs, from Steve McCurry’s Afghan girl to Michael Nichols’ iconic image of Jane Goodall, through Sept. 11. The Carnegie Museums of Natural History and Art, 4400 Forbes Ave., are open 10 a.m. to 5 p.m. Mondays and Wednesdays through Saturdays with extended hours until 8 p.m. Thursdays, and from noon to 5 p.m. Sundays. Admission is $19.95 for adults, $14.95 for senior citizens, and $11.95 for children ages 3 to 18. Visit www.carnegiemnh.org for more information.

Carnegie Science Center next to Heinz Field on the North Side, hosts behind-the-scenes “Tech Tours” of the USS Requin, the real Cold War-era submarine moored at the Science Center along the Ohio River, on July 10, 24; Aug. 7, 21; and Sept. 11. Baseball-themed activities are available this summer. 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. Call 412-237-3400 or visit CarnegieScienceCenter.org.