The Art Center, 344 S. Main St., is accepting entries for "The Green Show" through Saturday and for "Photography Noir" through April 9. Center 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 or visit www.theartcenterbutlerpa.org.

Bottlebrush Gallery, 539 Main St., Harmony, presents the art of Luke Homitsky through April 11. The Pittsburgh artist's latest installment explores the process of making the marks that create his artwork. 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 Web site, www.bottlebrushgallery.com.

<B>Hoyt Institute of Fine Arts</B>, 124 E. Leasure Ave., New Castle, presents "Charles Basham: Paintings and Pastels" through April 23. Admission is free. Gallery hours are 11 a.m. to 8 p.m. Tuesdays and Thursdays and 11 a.m. to 4 p.m. Wednesdays, Fridays and Saturdays, except holidays. Call 724-652-2882, or visit the Web site, www.hoytartcenter.

<B>Carnegie Museum of Art</B>, 4400 Forbes Ave., is showing "Imagining Home: Selections from the Heinz Architectural Center," with more than 125 drawings, models, books and games that reveal ways the home has been envisioned over the last 200 years, through May 30. Continuing are "Caricature, Satire, and Comedy of Manners: Works on Paper from the 18th through 20th Centuries" through Aug. 15, "Gods, Love, and War: Tapestries and Prints from the Collection" through June 13, "H_edge" by installation designer Cecil Balmond through May 30, and "The Artistic Furniture of Charles Rohlfs" through April 25. Regular 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. Closed major holidays. Admission, which includes the Carnegie Museum of Natural History, is $15 for adults, $12 for senior citizens, and $11 for students and children age 3 and older, and free for members and children younger than 3. Call 412-622-3131 or visit the Web site, www.cmoa.org.<B>North Hills Art Center</B>, 3432 Babcock Blvd. in Ross Township, has new gallery hours: noon to 4 p.m. Tuesdays through Saturdays; closed Sundays, Mondays and holidays. Admission and parking are free. Call 412-364-3622 or visit the Web site, www.northhillsartcenter.com.