Associated Artists of Butler County hosts the Art Faculty Exhibit through Sept. 28 at The Art Center, 344 S. Main St. Faculty members from local colleges and high schools display a variety of creative entries. Gallery hours are noon to 6 p.m. Wednesdays through Fridays and noon to 4 p.m. Saturdays. Admission is free. A second Art Faculty Exhibit opening and awards ceremony, free to the public and sponsored by the Cranberry Township Community Chest, will be held Oct. 12 at the Cranberry Township Municipal Center, 2525 Rochester Road, Cranberry Township. At this event, the winners of $1,000 in cash awards will be announced. The exhibit will then remain on display at the municipal center through Nov. 9. Call 724-283-6922 or visit www.aabcArtCenter.com.

Maridon Museum, 322 N. McKean St., will host a class on the Chinese tile game mahjong from 12:30 to 3:30 p.m. Friday. The class is free, but reservations are necessary. Call 724-282-0123. The Maridon is open 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 advanced notice for no extra charge.

Saxonburg Area Artists Cooperative, 215 Main St., rear, in Saxonburg, is open 1 to 9 p.m. Fridays and 10 a.m. to 8 p.m. Saturdays. Admission is free. Call 412-260-5779, 724-352-1795 or 412-849-4648.

The 10th annual Nature Art Show, sponsored by the McKeever Environmental Learning Center, 55 McKeever Lane, Sandy Lake, offers regional nature artists the chance to display and sell their works Sept. 28 to 30. The free show will be from 6 to 9 p.m. Sept. 28, 10 a.m. to 6 p.m. Sept. 29 and noon to 4 p.m. Sept. 30. Visit www.mckeever.org.Red Brick Gallery, 17 Main St., Foxburg is featuring “Botanicals and Beyond,” a mixed media exhibit, through Oct. 7. Gallery hours are 4 to 8 p.m. Fridays, noon to 8 p.m. Saturdays, and 1 to 6 p.m. Sundays. E-mail edmonds@embarqmail.com.Hoyt Institute of Fine Arts, 124 E. Leasure Ave., New Castle, presents the work of three contemporary artists from the mid-Atlantic region through Oct. 5. Admission is free. 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 or visit www.hoytartcenter.

Silver Eye Center for Photography, 1015 E. Carson St., hosts “No Job No Home No Peace No Rest: An Installation by Will Steacy” from Friday through Dec. 15. A gallery talk with the photographer, followed by a reception, takes place from 6:30 to 9 p.m. Friday. Regular hours are noon to 6 p.m. Tuesdays through Saturdays. Admission is free. Call 412-431-1810 or visit www.silvereye.org.Carnegie Museum of Art, 4400 Forbes Ave., presents “Natural History,” which explores the myriad ways contemporary artists respond to nature, through Oct. 14. 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 is $17.95 for adults, $14.95 for senior citizens, $11.95 for students with ID and children ages 3 to 18, and free for children younger than 3. Call 412-622-3131 or visit www.cmoa.org.Society for Contemporary Craft, 2100 Smallman St., hosts “Humor in Craft” through Oct. 27. Gallery hours are 10 a.m. to 5 p.m. Mondays through Saturdays. Admission is free. Call 412-261-7003. A glass exhibit, celebrating the 50th anniversary of the development of studio art glass in America, runs through Sept. 30 at BNY Mellon Center, 500 Grant St.