sand footsteps

adventure america arid away california climate death desert deserts desolate destination distance distant dry dune dunes earth eco ecological ecology ecosystem endless far footprint footprints footstep footsteps global hike hiking hot infinite landscape lonely lost mountain mountains national natural nature outdoors park path peace peaceful perspective pure purety quiet ridge ripple ripples sand sandy scenery scenic serene serenity shadow shadows step steps sunset temperature temperatures top tourism trail travel travelling trekking usa valley vast walk walking warm warming weather world