At the North House Folk School, made up of a small collection of clapboard buildings beside the harbor in Grand Marais, the staff understands mercurial Lake Superior. And how to get an intimate view: by heading onto the waters with the Hjordis, a traditional 50-foot schooner with towering sails. For top-notch big-water adventures, these are the people, and that is the boat. The Folk School, with offerings ranging from basket weaving to birding, devotes several classes to sailing techniques. If you simply want to sit back and enjoy the ride, North House takes the Hjordis out on daily sails, including some sunset and full-moon rides. Prices range from $35 to $55. 500 Hwy. 61 W., Grand Marais; 1-218-387-9762,