COUNTY

Butler Art Center, 344 S. Main St., presents the 11th Art of Horror show through Nov. 18 in the Underground Gallery. Gallery hours are 10 a.m. to 4 p.m. Wednesdays, Thursdays and Fridays and noon to 4 p.m. Saturdays. Call 724-283-6922 or visit butlerartcenter.org.

Maridon Museum, 322 N. McKean St., continues “The Collectors” series with “Go with the Flow” about flow blue china on Nov. 17. Admission is free, but reservations are required for the program. Call 724-282-0123.

PITTSBURGH

Carnegie Museum of Art, 4400 Forbes Ave., presents “Strength in Numbers: Photography in Groups” through Feb. 6. Admission is $19.95 for adults, $14.95 for senior citizens, and $11.95 for children 3 to 18. Visit www.cmoa.org.