valley of fire - close up view of native american rock art (petroglyphs) on red aztek sandstone wall of atlatl rock, nevada

native american drawing artwork atlatl rock petroglyph hieroglyph painting carving stone archeology landmark ancient carvings americans civilization drawings history symbols road trip valley fire formation canyon mouse tank trail nevada hiking petroglyphs hike rugged terrain boulders landscape formations geology pattern usa limestone southwest wave las vegas red state park aztec sandstone mojave desert lake mead national recreation area travel wall cliff eroded