The variety of experiences you can have outdoors is limited only by the span of the earth itself and the limits of your resources and personal tolerances. Winter exploration not only challenges an individual's endurance, but also a person's openness to a world mostly lost to our ancestors. Don interviews renowned winter camping instructor Wayne Howell to discuss sleeping outdoors in the snow -- the merits of taking excursions in the colder months, how to stay safe, and gain brand new experiences.