The National Forest Lodge, in Superior National Forest near Isabella, Minn., is a wooded haven for cross-country skiers and snow shoers. Meals are served buffet style at shared tables in the main lodge. A sauna and hot-tub help ease any muscle pain from hours on the trails. And if you book by December 15, you can save 10 to 15 percent. Check them out at the link above, or call 1-877-353-0707.