desert scenery on route 40 in salta province, northern argentina

mountain geology valley badlands wilderness landscape ridge rock terrain canyon trail snow adventure soil walking desert scenery route salta province northern argentina 40 salta ruta highway argentina scenery landscape road desert erosion 40 amazing america argentinian arid beautiful blue day dry geologic geological hill mountain natural nature northern outdoor outdoors picturesque rock route scenic sightseeing sky south stone tourism tourist travel valley view gravel gorge