Which National Park Service retail innovation was first introduced at Yellowstone in 1989, revolutionizing sustainable souvenir shopping across all parks?

National Parks are not just about preserving nature - they're also home to some of the most unique retail experiences in the country! These visitor centers and gift shops have pioneered innovative approaches to sustainable retail, offering eco-friendly products while educating millions of visitors each year. Test your knowledge about this fascinating intersection of conservation and commerce that generates millions to support wildlife preservation.

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