el morro national monument with sandstone cliffs in southwest desert landscape, new mexico

rock badlands geology valley formation terrain canyon mountain cliff ruins landscape plateau landmark wilderness morro national monument sandstone cliffs southwest desert mexico towering central water hole used travellers centuries leaving petroglyphs signatures soft usa north america united states inscriptions indigenous nations indian native american spanish conquistadores settlers pool west western sheer hike hiking outdoors natural nature environment protected site park service pines imposing band bighorn sheep stone carvings face zigzag lines drawings writing four base