St. Moritz is a luxury alpine resort town in Switzerland’s Engadin valley. It has hosted the Winter Olympics twice, has the Cresta Run, a world-championship bobsled run made of natural ice, and an outdoor Olympic ice rink. Its frozen lake hosts polo, cricket and even horse racing on ice. Ski and snowboard areas include Corviglia, Diavolezza and Corvatsch, and there are well-groomed cross-country ski trails.