Skip the leaf peeping, pet a bison instead. Admit it. When you were stuck in bumper-to-bumper traffic trying to glimpse aspen gold along Guenella Pass this fall, you wanted to recommend unsafe alternative mountain recreation, especially to those who parked illegally along the road blocking the flow of traffic. To the consternation of us Colorado natives and those who live in mountain communities, inconsiderate people have spoiled a rite of autumn — leaf peeping.