colorado's mining era dot the landscape, with abandoned structures surrounded by the natural beauty of mountains,

buildings earth erosion exploration historical history landscape mountains nostalgia keywords pine rough rural tourism usa wood abandonment american west architecture blue change clouds colorado decay deserted environment heart land industry loss metal mining site mountain nature old outdoors remains ruins scenic sky structures sunny transition trees remnants colorado#39aph39#s era dot abandoned surrounded natural beauty depicting nature#39aph39#s reclaim