“Yellowstone, of all the national parks, is the wildest and most universal in its appeal... Daily new, always strange, ever full of change, it is Nature's wonder park. It is the most human and the most popular of all parks. -Yellowstone Park for Your Vacation (circa 1920s)”

“Yellowstone, of all the national parks, is the wildest and most universal in its appeal... Daily new, always strange, ever full of change, it is Nature's wonder park. It is the most human and the most popular of all parks. -Yellowstone Park for Your Vacation (circa 1920s)”

“Yellowstone, of all the national parks, is the wildest and most universal in its appeal... Daily new, always strange, ever full of change, it is Nature's wonder park. It is the most human and the most popular of all parks. -Yellowstone Park for Your Vacation (circa 1920s)”