USA, Arizona, Grand Canyon, tourists looking down onto the Colorado river from within the Hualapai Indian reservation part of the national park.

USA, Arizona, Grand Canyon, Colorado river running through the Hualapai Indian reservation, part of the national park.

USA, Arizona, Lake Mead, Aerial view.

USA, Arizona, Lake Mead, Aerial view.

USA, Arizona, Grand Canyon, Aerial view of the western Grand Canyon.

USA, Arizona, Grand Canyon, Aerial view of the western Grand Canyon.

USA, Arizona, Grand Canyon, Aerial view of the western Grand Canyon.

USA, Arizona, Grand Canyon, Aerial view of the western Grand Canyon.

Namibia, an abandoned Diamond mine on the Diamond area of the Namibian Coast. Now in the restricted Diamond area owned by the mining company DeBeers the area is rarely visited.

Namibia, Rocky desert on the border between Northern Namibia and Angola . The border is indeterminate at this point.

USA, Nevada, Valley of Fire State Park.

USA, Nevada, Valley of Fire State Park.