ruins of lowry pueblo walls in open landscape, canyons of the ancients national monument, colorado, usa

11th 12th aboriginal america american anasazi ancient ancients archaeological archaeology architecture blue building buildings built canyons centuries chaco chacoan colorado desert early first foundations great historic indian indigenous kiva landmark landscape light lowry masonry monument morning national nations native north open outdoor outdoors people pleasant preserving pueblan pueblo puebloan puebloans ruin ruins site sky southwest spiritual states travel united usa valley view walls west western