COUNTYHarmony Museum, 218 Mercer St., will feature free ice cream for the third First Friday event from 4 to 7 p.m. July 1 during an open house at the Wagner House annex and garden, 222 Mercer St. Call 724-452-7341.

REGIONDrake Well Museum, Titusville, has a new exhibit gallery on the birth of the oil and gas industry. Hours are 9 a.m. to 5 p.m. Tuesdays through Saturdays and noon to 5 p.m. Sundays. Admission is $10 for adults, $8 for senior citizens, and $5 for children 3 to 11. Active military and their families are admitted free. Visit www.drakewell.org or call 814-827-2797.

PITTSBURGHPhipps Conservatory and Botanical Gardens, 700 Frank Curto Drive, hosts a Tropical Forest Congo Festival from 11 a.m. to 4 p.m. Saturday. Activities are free with admission of $15 for adults, $14 for senior citizens, and $11 for children 2 to 18. Visit phipps.conservatory.org.Heinz History Center, 1212 Smallman St., will celebrate the 200th anniversary of Pittsburgh’s incorporation in 1816 with the Pittsburgh Bicentennial Birthday Bash from 7 to 11 p.m. July 8. Visit www.heinzhistorycenter.org.National Aviary, 700 Arch St., presents the Butterfly Garden featuring a variety of native species in the outdoor Rose Garden daily from 11 a.m. to 4 p.m., weather permitting. The Butterfly Garden is included in admission of $14 for adults and $13 for senior citizens and children 2 to 12. Visit aviary.org.ToonSeum, a 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. July 1. The display “Captain America: 75 Years of the Sentinel of Liberty” continues through Aug. 14. U.S. military personnel and veterans receive free admission. Visit toonseum.org.Children’s Museum, Allegheny Square, presents “Daniel Tiger’s Neighborhood: A Grr-ific Exhibit.” Hours are 10 a.m. to 5 p.m. daily. Admission is $14 for adults and $13 for children 2 to 18 and senior citizens. Visit www.pittsburghkids.org.Carnegie Science Center North Side, hosts behind-the-scenes “Tech Tours” of the USS Requin submarine on Sunday and July 10, 24; Aug. 7, 21; and Sept. 11. Visit CarnegieScienceCenter.org.