An exhibit of works by Sharon Holnback, Mykl Wells and Earl Olmstead opens Saturday, Dec. 6, and continues through Saturday, Jan. 31. A reception takes place from 4 to 6 p.m., Sunday, Dec. 14. Edible Architecture, an exhibit of gingerbread houses, opens Monday, Dec. 1, and continues through Sunday, Dec. 14. Raffle tickets for a chance to win a gingerbread house will be available. A "Holiday House Party" from 4 to 8 p.m., Sunday, Dec. 14, features a self-guided tour of gingerbread houses at the Triangle L Ranch, Oracle Historical Society and Oracle State Park. Gallery hours are 11 a.m. to 3 p.m., Saturdays; and by appointment. Free. Call 623-6732, or visit www.trianglelranch.com for more information.