Evening view of Grand canyon from Mather point

A dried tree at Kaibab trail in Grand canyon

Colorado river at the bottom of Grand canyon, from Kaibab trail

Colorado river from Grand canyon floor, with south rim above

Narrow passages of Antelope canyon in Arizona

Light dissipates over narrow and winding passages of Antelope canyon

Unusual shapes of sandstone in Monument valley

Panoramic view of vast expanses of Monumet valley

Delicate arch, most famous sandstone formation in Utah

Most known sandstone formazion in Arches national park in Utah

Evening in Devil's garden in Arches national park, Utah

Evening light shines on sandstone rock formations in Arches national park, Utah

Old Ford in a garage museum at Route 66 remains in Arizona, close to Kingman

Sand dunes in Death Valley, California

A group of trekkers returns from the sand dunes of Death valley, California

Wind blown pattern of sand on the slopes of the dunes of Death valley

Sand dune with a little of vegetation in Death valley

Rainbow over Vernal fall in Yosemite national park, California

A group of motorbikers drive towards a rainbow on a road in Wyoming, just after the shower

Bisons graze in Grand Teton national park

Grand Teton from around the Blacktail Butte

Grand Teton to Mount Moran from Willow flats

Bisons graze the high grass of Grand Teton national park

Mount Moran and Snake river from Oxbow bend, Grand Teton national park