Associated Artists of Butler County presents a “Strictly Functional” art exhibit through Nov. 18 at The Art Center, 344 S. Main St. The “Art of Horror 6” exhibit concludes Friday in the Underground Gallery, which will be the site of shadowcasting with “The Rocky Horror Picture Show” at 10:30 p.m. Friday. Admission is $5 with prop bags at $3. Note: Parental discretion advised. Entries for the annual holiday show and sale are due by Nov. 26. Gallery hours are noon to 6 p.m. Wednesdays, Thursdays and Fridays and noon to 4 p.m. Saturdays. Admission is free. Call 724-283-6922.

Maridon Museum, 322 N. McKean St., is open from 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 advanced notice. Call 724-282-0123 or visit www.maridon.org.

<B>Allegheny RiverStone Center for the Arts</B>, in cooperation with volunteers and artisans, has opened the Red Brick Gallery and Shop on Main Street. Its premier art show runs through Dec. 23. The Red Brick is open from 3 to 6 p.m. Fridays, noon to 6 p.m. Saturdays and 1 to 5 p.m. Sundays. Contact Donna Edmonds at edmonds@embarqmail. com.

<B>Silver Eye Center for Photography</B>, 1015 E. Carson St., hosts “HomeFrontLine” exploring 10 years of war, on and away from combat zones through Dec. 10. Gallery hours are noon to 6 p.m. Tuesdays through Saturdays. Admission is free. Call 412-431-1810 or visit www.silvereye.org.<B>Carnegie Museum of Art</B>, 4400 Forbes Ave., presents “Teenie Harris, Photographer: An American Story,” featuring nearly a thousand of Harris’ images, through April 7. Continuing is “Palladio and His Legacy: A Transatlantic Journey,” with drawings by Andrea Palladio, one of the most influential architects in the Western world, through Dec. 31. Museum 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 $15 for adults, $12 for senior citizens age 65 and older, $11 for students with ID and children age 3 to 18, and free for members and children younger than 3. Call 412-622-3131 or visit www.cmoa.org.