The Yellowstone Association Institute is an important part of the Yellowstone Association. Since 1976, its programs have introduced thousands of students to the park’s natural wonders. Programs range from one day to three weeks in length, and highlight the park’s amazing wildlife, geothermal areas, rich history and awe-inspiring wilderness. The Yellowstone Association Official Park Store is also available online, offering the world’s largest selection of Yellowstone-related books, maps, videos, outdoor gear and educational games.The Yellowstone Association is one of over 84 national park cooperating associations serving more than 300 areas in the national park system. Each is a separately incorporated not-for-profit organization dedicated to providing educational materials to park visitors and to supporting educational, historic and scientific projects within its park area.