The Associated Artists of Butler County hosts an Invitational illustrators show through Sept. 5. Hours are noon to 6 p.m. Wednesdays through Fridays and noon to 4 p.m. Saturdays. Admission is free. The Art Center is at 344 S. Main St. Call 724-283-6922 or visit butlerartcenter.org

Maridon Museum, 322 N. McKean St., presents 22 watercolors by the late Taiwanese artist Ran In-Ting through Aug. 31. Hours are 11 a.m. to 4 p.m. Wednesdays through Saturdays. Admission is $4 for adults, $3 for senior citizens and students, and free for children younger than 8. Guided tours are available with advance notice for no extra charge. Call 724-282-0123 or visit maridon.org.

Saxonburg Area Artists Cooperative, 215 W. Main St., rear, Saxonburg, presents members' artwork. Colored pencil drawings by Mary Hoffman will be displayed beginning Oct. 4. Admission is free. Hours are noon to 8 p.m. Fridays and 10 a.m. to 8 p.m. Saturdays. Call 412-260-5779.

Red Brick Gallery, 17 Main St., Foxburg, presents watercolors by botanical painter Donna Edmonds of Parker and painter Angela Hardwick of Wexford in the Upstairs Gallery through Sept. 14. An opening reception with the artists will be held from 2 to 4 p.m. Sunday. Gallery hours are 4 to 8 p.m. Fridays, 11 a.m. to 8 p.m. Saturdays, and 11 a.m. to 4 p.m. Sundays. Call 724-659-0003.

Society for Contemporary Craft, 2100 Smallman St., is showing “Transformation 9: Contemporary Works in Ceramics” through Nov. 1. Hours are 10 a.m. to 5 p.m. Mondays through Saturdays. Admission is free. Call 412-261-7003.