outdoor view of yellowstone`s grand loop road surrounded by steep and colorful volcanic rocky walls in a gorgeous blue

accomplishment ascent bridge canyon cliff clouds cloudy concrete corpsofengineers crags curvy engineering evergreens gold goldengateofyellowstone goldenrock grandcanyon grandlooproad highway landscape mountains nationalparks nature pass peaks pines road roadway rock rocky route shadows slopes steep trees viaduct wyoming yellow yellowrock yellowstone yellowstonenationalpark