Associated Artists of Butler County hosts the nature and wildlife exhibit, featuring the work of about 30 artists in more than 60 pieces of art, including paintings, photography and sculpture, through Sept. 1 at The Art Center, 344 S. Main St. Hours are noon to 6 p.m. Wednesdays through Saturdays. Admission is free. Call 724-283-6922 or visit www.aabcArtCenter.com.

Maridon Museum, 322 N. McKean St., 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. Tours are available with advance notice. Call 724-282-0123 or visit www.maridon.org.

Saxonburg Area Artists Cooperative, 215 Main St., rear, 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.

National Transit Art Center, 206-210 Seneca St., Oil City, has named potter Paul O'Neil as its featured artist for August. Hours are 10 a.m. to 4 p.m. Tuesdays, Thursdays, Fridays and Saturdays. Admission is free. Call 814-677-3707.

Carnegie Museum of Art, 4400 Forbes Ave., presents “Natural History,” a playful exhibition that explores the myriad of ways contemporary artists respond to nature, through Oct. 14. “Impressionism in a New Light: From Monet to Stieglitz” concludes on Sunday. 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. This exhibition presents ironic, political, sarcastic and amusing works by 32 artisans. Hours are 10 a.m. to 5 p.m. Mondays through Saturdays. Admission is free. Call 412-261-7003.