Navajo hogan at Canyon de Chelly in Arizona.

Petroglyph of a horse on the rocks in Canyon de Chelly in Arizona.

Carferry transporting cars across lower Lake Mead in Arizona.

Construction and equipment on the Hoover Dam.

Taking a break on the side of the road near the Grand Canyon in Arizona.

F.C. Angus on the South Rim of the Grand Canyon looking to the north toward Bright Angel Canyon, Arizona.

Giant cactus between Phoenix and Roosevelt Dam.

Giant cactus near Roosevelt Dam.

View of the Grand Canyon in Arizona.

View of Grand Canyon from the South Rim looking to the north toward Bright Angel Canyon, Arizona.

View of Grand Canyon from the South Rim looking to the north toward Bright Angel Canyon, Arizona.

View of Grand Canyon from the South Rim looking to the north toward Bright Angel Canyon, Arizona.