Late January to early FebruaryA winter festival in Breckenridge, Colo., this celebration recognizesUllr, the Norse god of winter and a stepson of Thor. Highlights are a parade, skiing and other sporting events, and a snow sculpture championship. CONTACTS: Breckenridge Resort Chamber 311 S. Ridge St. P.O. Box 1909 Breckenridge, CO 80424 888-251-2417 or 970-453-2913; fax: 970-453-7238 www.gobreck.com SOURCES: DictFolkMyth-1984, p. 1148