naturesclassroom Client United States Adventure/Outdoor Experiential Education Program servicing teens 12 - 18. Located in Northern California, experience in the outdoors in and on the South Fork of the American River for more than 20-years. Joined February 2010 ContestContests Logos Status Prize * Nature's-Classroom Outdoor and adventure education for teens: rafting, hiking. 56 Logos Complete Status $325 Prize Nature's-Classroom Outdoor and adventure education for teens: rafting, hiking. 56 Complete $325 * The Prize Package includes the Designer prize and all LogoTournament fees.