hovenweep national monument with hovenweep castle and house pueblo ruins in southwest desert landscape, utah

western west wall wadi utah usa united undefined trail tourism terrain states southwestern southwest sky sandstone sagebrush ruins rock rim region puebloan pueblo protection people park north nature natural nations national monument mesa masonry landscape landmark junipers indigenous indians hovenweep house hiking hike geology four fortification formation environment dry desert cumulus corners colorado clouds cliff castle canyon cajon built buildings building border blue badlands arid architecture ancestral anasazi american