The easy-to-follow loop offers high-altitude passes, historic sites, and dazzling foliage views.Aerial view of a New Mexico road curving through fall foliage.Credit: New Mexico Tourism DepartmentKey PointsThe Enchanted Circle Scenic Byway covers 84 miles in northern New Mexico, circling Wheeler Peak, the state’s tallest mountain.Since the route reaches high elevations, travelers can expect cooler temperatures and rapidly changing weather conditi…