Saxonburg Area Artists Co-op, 215 Main St., rear, in Saxonburg, is open 6 to 9 p.m. Thursdays, 1 to 9 p.m. Fridays, 10 a.m. to 2:30 p.m. Saturdays and by appointment, though visitors should call 412-260-5779 or 412-849-4648 to confirm.

Bottlebrush Gallery, 539 Main St., Harmony, hosts blown glass artwork by Raymond Nelson of Fombell through the end of the year. The gallery has locally made pottery, glass, sculpture, photography, paintings, textiles, soaps, jewelry, books and other handmade items. 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 www.bottlebrushgallery.com.

<B>Hoyt Institute of Fine Arts</B>, 124 E. Leasure Ave., New Castle, has opened an exhibit of Oscar Bluemner drawings that are typical of the travel sketches or art motifs Bluemner developed into themes in his paintings in the early 20th century. The exhibit continues through Dec. 23. Admission to the gallery is free. New 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 www.hoytartcenter.

<B>Frick Art and Historical Center</B>, 7227 Reynolds St., Point Breeze, hosts a tour of the mansion themed “A Gilded Age Christmas” through Jan. 2. Holiday decorations and artifacts will evoke the traditions and celebrations of the late 19th century. The exhibit “For My Best Beloved Sister Mia: An Album of Photographs by Julia Margaret Cameron” continues through Jan. 2. Admission to the art museum is free; there is a fee for a tour of Clayton, the former home of Henry Clay Frick. Hours are 10 a.m. to 5 p.m. Tuesdays through Sundays; closed Mondays and major holidays. Call 412-371-0600.<B>Silver Eye Center for Photography</B>, 1015 E. Carson St., presents the Fellowship 2010 Exhibitions: Laura Heyman’s “Pa Bouje Anko: Don’t Move Again” and Laura Bell’s “The Alba Series” through Jan. 15. Heyman’s photos were taken in Port-au-Prince, Haiti, while Bell’s were shot in Edinburgh, Scotland. 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., is showing the Italian Nativity Neapolitan Presepio as well as the holiday trees with decorations “Inspired by the Muses” through Jan. 6. Continuing is “Ordinary Madness” through Jan. 9 in the Heinz Galleries. 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. Regular admission, which includes the Carnegie Museum of Natural History, is $15 for adults, $12 for senior citizens age 65 and older, and $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 the website, www.cmoa.org.<B>Andy Warhol Museum</B>, 117 Sandusky St., presents “Marilyn Monroe: Life as a Legend” through Jan. 2. Museum hours are 10 a.m. to 5 p.m. Tuesdays through Sundays and open later until 10 p.m. Fridays. Admission is $15 for adults, $9 for senior citizens and $8 for students and children. Call 412-237-8300.<B>Society for Contemporary Crafts</B>, 2100 Smallman St., is showing “DIY: A Revolution in Handicrafts” in the main galleries through March 26. Gallery hours are 10 a.m. to 5 p.m. Tuesdays through Saturdays and by appointment Mondays; closed holidays. Call 412-261-7003.