Bottlebrush: A Gallery for the Arts, 539 Main St., Harmony, tonight opens a two-week exhibit of work by the painting group at Calvin Presbyterian Church in Zelienople. Regular gallery hours are 11 a.m. to 7 p.m. Wednesdays, Thursdays and Fridays, 10 a.m. to 5 p.m. Saturdays, and noon to 5 p.m. Sundays. Call 724-452-0539 or visit the website www.bottlebrushgallery.com.

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. Call 412-260-5779, 724-352-1795 or 412-849-4648.

<B>Merrick Art Gallery</B>, 1100 Fifth Ave., New Brighton, opens an exhibit to commemorate the Civil War on Sunday with a reception from 1 to 4 p.m. The exhibit continues through March 18. Gallery hours are 10 a.m. to 4:30 p.m. Tuesdays through Saturdays and 1 to 4 p.m. Sundays. Admission is free. Call 724-846-1130.

<B>Associated Artists of Pittsburgh</B> presents the exhibit, “Void/Absent/Empty” Saturday through March 31 at the Panza Gallery, 115 Sedgwick St., Millvale. An opening reception is planned for 5 to 8 p.m. Saturday. Admission is free. Regular gallery hours are 10 a.m. to 5 p.m. Wednesdays, Thursdays and Fridays and 10 a.m. to 3 p.m. Saturdays. Call 412-821-0959.<B>709 Penn Gallery</B> at 709 Penn Ave. presents “Caravan: Paintings by Melissa Kuntz” Friday through April 13. A reception will take place from 6 to 8 p.m. Friday. Since 2004, Kuntz has been showing her works based on photographs she has taken of locations of leisure and artifice, including South Beach, Las Vegas, Coney Island, Cozumel, the New Jersey shore, Conneaut Lake, and Niagara Falls. Gallery hours are 11 a.m. to 6 p.m. Wednesdays and Thursdays, 11 a.m. to 8 p.m. Fridays and Saturdays, and 11 a.m. to 5 p.m. Sundays. Call 412-471-6070.<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. 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. Admission to Carnegie Museums of Art and Natural History is free from 3:30 to 8 p.m. Thursdays in March. Call 412-622-3131 or visit www.cmoa.org.<B>Society for Contemporary Craft</B>, 2100 Smallman St., hosts “Transformation 8: Contemporary Works in Small Metals,” a biennial show featuring the work of 33 metalsmiths, through June. 30. Gallery hours are 10 a.m. to 5 p.m. Mondays through Saturdays. Call 412-261-7003.<B>Andy Warhol Museum</B>, 117 Sandusky St., presents “Warhol and Cars: American Icons” through May 13, featuring more than 40 drawings, paintings and photographs from 1946 to 1986. Museum hours are 10 a.m. to 5 p.m. Tuesdays through Sundays with extended hours until 10 p.m. Fridays. Admission is $15 for adults, $9 for senior citizens and $8 for students and children.<B>Silver Eye Center for Photography</B>, 1015 E. Carson St., presents “Class Pictures: Photographs by Dawoud Bey” through March 10. Gallery hours are noon to 6 p.m. Tuesdays through Saturdays. Admission is free. Call 412-431-1810 or visit www.silvereye.org.