The Associated Artists of Butler County presents the “Make It Green” art exhibit through March 25. Classes are still available. 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., is open 11 a.m. to 4 p.m. Wednesdays through Saturdays and by appointment only Sundays, Mondays and Tuesdays. Admission is $4 for adults, $3 for senior citizens and students, and free for children younger than 8; children must be accompanied by an adult. Tours are led by trained docents and are available with advance notice. The museum also has a gift shop specializing in objects relating to China and Japan. Call 724-282-0123; visit www.maridon.org.

Bottlebrush Gallery, 539 Main St., Harmony, is showing works by watercolorist Bill Perry of Harmony through April 3. 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>Hoyt Institute of Fine Arts</B>, 124 E. Leasure Ave., New Castle, is showing “Will Barnet: Aquatints, Etchings, Lithograhs and Serigraphs” through April 22. A free gallery talk about Barnet's career is set for 6:30 p.m. March 24. Admission is free. Gallery hours are 11 a.m. to 8 p.m. Tuesdays and Thursdays and 11 a.m. to 4 p.m. Wednesdays, Fridays and Saturdays. Call 724-652-2882; visit www.hoytartcenter.

<B>Silver Eye Center for Photography</B>, 1015 E. Carson St., hosts “Sarah Hobbs: Out of Mind,” 15 psychologically charged images, through Saturday. Gallery hours are noon to 6 p.m. Tuesdays through Saturdays. Admission is free. Call 412-431-1810 or visit the website: www.silvereye.org.<B>Society for Contemporary Crafts</B>, 2100 Smallman St., features ”DIY: A Revolution in Handicrafts” in the main galleries through March 26. Gallery hours are 10 a.m. to 5 p.m. Tuesdays through Saturdays and by appointment Mondays. Call 412-261-7003.