Here’s why you should visit Grand Teton National Park in autumn.Oxbow Bend in Grand Teton National Park.Credit: srongkrod/Adobe StockKey PointsGrand Teton National Park shines in the fall with golden aspens, dramatic peaks, and a break from summer crowds.You can hike scenic trails, float the Snake River, and stargaze under some of the darkest skies in the U.S.Visit early in the fall to avoid seasonal closures.Leaf-peeping draws travelers to wood…