The Art Center, 344 S. Main St., concludes its Art of Horror IV on Friday in the Underground Gallery. The annual Fashion Show is scheduled for Dec. 12. Gallery hours are noon to 6 p.m. Wednesdays, Thursdays and Fridays and noon to 4 p.m. Saturdays. Call 724-283-6922 or visit www.butlerartcenter.net.

Maridon Museum, 322 N. McKean St., will host a "Shichi-Go-San" or "7-5-3" program from 10 to 11 a.m. Saturday for children ages 3 to 10. Reservations are required. All children must be accompanied by an adult. Call 724-282-0123. The museum houses a recently renovated netsuke exhibit, as well as hundreds of pieces of ancient and contemporary Asian art and Meissen porcelain. Regular hours are 11 a.m. to 5 p.m. Tuesdays through Saturdays and noon to 5 p.m. Sundays; closed Mondays and holidays. Admission is $4 for adults, $3 for senior citizens and students, and free for children under 8; children must be accompanied by an adult. Tours are led by trained docents and are available with advance notice. The museum also has a gift shop specializing in art objects relating to China and Japan. Call 724-282-0123.

Bottlebrush Gallery, 539 Main St., Harmony,

concludes a display of photographs by Nina Sowiski on Sunday. 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>Carnegie Museum of Art</B>, 4400 Forbes Ave., is presenting "H_edge," an installation by designer Cecil Balmond, who has transformed the role of structure and mathematics in contemporary art with his unorthodox approach challenging definitions of architecture and engineering. The exhibit opens Saturday and continues through May 30 in the Forum Gallery. Balmond will be at the museum for a lecture, from 3:30 to 5 p.m. Feb. 6. A reception will follow the talk and the exhibit will be open until 7 p.m. that day. 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>Frick Art and Historical Center</B>, 7227 Reynolds St. in Point Breeze, is presenting "Icons of American Photography: A Century of Photographs from the Cleveland Museum of Art." The Frick is open 10 a.m. to 5 p.m. Tuesdays through Sundays; closed Mondays and major holidays. Admission is free, however there are charges for docent-led tours of Clayton, the former home of Henry Clay Frick, and some educational programs. Call 412-371-0600.<B>Society for Contemporary Crafts</B>, 2100 Smallman St., features "Transformation 7: Contemporary Works in Wood, the Elizabeth R. Raphael Founder's Prize Exhibition" through Jan. 2. Gallery hours are 10 a.m. to 5 p.m. Tuesdays through Saturdays and by appointment Mondays. Call 412-261-7003.

<B>Hoyt Institute of Fine Arts</B>, 124 E. Leasure Ave., New Castle, presents its third annual Brew-Fest at 7 p.m. Saturday. Continuing is "The Shape of Life with Eva Zeisel," a spirited Hungarian woman who brought an original brand of modernism to the ceramic industry, through Dec. 31. The exhibit contains more than 100 examples of pottery, glass and furniture design collected by the Erie Art Museum to represent the 70-year career of the artist, who at 103, is still active. Also featured through Dec. 31 in the Blair Sculpture Walkway is the Hoyt Artists' Association's annual holiday show and sale. 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. Call 724-652-2882, or visit the Web site, www.hoytartcenter.<B>Blue Heron Gallery</B>, 600 Main St., Volant, is featuring Karen Hoagland's "Safari of Stone Creatures" through Nov. 27, and Nancy Connelly's "Pastels and Paintings" from Saturday through Jan. 24. Wednesday Morning Artists from Eastbrook Presbyterian Church will provide backdrop for the "Stone Creatures." An opening reception is set for 2 to 4 p.m. Nov. 14. Regular gallery hours are 10 a.m. to 5 p.m. Wednesdays through Saturdays and noon to 5 p.m. Sundays. Call 724-652-0752.