Maridon Museum, 322 N. McKean St., is open from 11 a.m. to 4 p.m. Wednesdays through Saturdays and by appointment only Sundays through 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. Call 724-282-0123.

<B>Silver Eye Center for Photography,</B> 1015 E. Carson St., hosts “HomeFrontLine,” exploring 10 years of war on and away from combat, through Dec. 10. Gallery hours are noon to 6 p.m. Tuesdays through Saturdays. Admission is free. Call 412-431-1810.<B>Carnegie Museum of Art</B>, 4400 Forbes Ave., presents “Teenie Harris, Photographer: An American Story,” featuring nearly a thousand images, Saturday through April 7. Continuing is an exhibit of drawings by Andrea Palladio, an influential architect in the Western world. 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, $11 for students with ID and children age 3 to 18, and free for members and children younger than 3. Call 412-622-3131.