The Associated Artists of Butler County plans to open juried and unjuried “Patriot” exhibits on July 1 at the Art Center, 344 S. Main St. The deadline for entries for the next exhibit, “Man and Machine,” is Aug. 6. Gallery hours are noon to 6 p.m. Wednesdays, Thursdays and Fridays and noon to 4 p.m. Saturdays. Closed Sundays, Mondays and Tuesdays. Admission is free. Call 724-283-6922.

Maridon Museum, 322 N. McKean St., has planned children's Japanese brush painting classes from 2 to 3 p.m. Fridays from July 1 to 29. This program is for children in grades one through six. Cost is $13 for non-members and $10 for members. Upcoming programs include a Lucky Dragon Casino Night from 6:30 to 11 p.m. Aug. 5 and a Feng Shui workshop for adults from 11 a.m. to 2 p.m. Aug. 6. Call 724-282-0123.

Saxonburg Area Artists Co-Op, 215 Main St., Rear, Saxonburg, has summer gallery hours of 6 to 9 p.m. Tuesdays, 1 to 9 p.m. Fridays and 10 a.m. to 8 p.m. Saturdays. Other times are by appointment. Call 412-260-5779, 724-352-1759 or 412-849-4648.

Bottlebrush Gallery, 539 Main St., Harmony, concludes “Works in Wood” showcasing art by Robert Bishop, David Pearson, Bill Sonntag and John Banks on Sunday. Gallery hours are 11 a.m. to 7 p.m. Wednesdays, Thursdays and Fridays, 10 a.m. to 5 p.m. Saturdays, and noon to 5 p.m. Sundays. Call 724-452-0539 or visit www.bottlebrushgallery.com.

<B>Silver Eye Center for Photography</B>, 1015 E. Carson St., hosts “Keystone.1, The First Pennsylvania Photography Biennial” featuring 16 statewide artists who work in contemporary photography, through Aug. 27. Gallery hours are noon to 6 p.m. Tuesdays through Saturdays. Admission is free. Call 412-431-1810 or visit www.silvereye.org.<B>Carnegie Museum of Art</B>, 4400 Forbes Ave., hosts the Pittsburgh Biennial through Sept. 18, featuring artwork exploring the broad themes of “labor” and “work.” Hours are 10 a.m. to 5 p.m. Tuesdays through Saturdays, with additional hours until 8 p.m. Thursdays, and noon to 5 p.m. Sundays. Admission, which includes the Carnegie Museum of Natural History, is $15 for adults, $12 for senior citizens age 65 and older, and $11 for students with ID and children age 3 to 18, and free for members and children younger than 3. Call 412-622-3131 or visit the website, www.cmoa.org.