Large desert sand dunes; Sossusvlei, Namibia

Footprints on Dune 45; Sossusvlei, Namibia

White sand desert, Namakwaland National Park; South Africa

Desert, Namibia, Africa

Sand dune, Namibia, Africa

The desert in Nambia, Africa

Desert, Namibia, Africa

Sunset over the white sand desert in Namakwa National Park; South Africa

Person taking photos in the white sand desert of Namakwaland National Park; South Africa

Landscape near Swakopmund, Namibia, Africa

Abandoned house overtaken by advancing sand dunes of the Namib Desert; Kolmanskop, Luderitz, Namibia

Skeleton bones of a large animal laid out in the sand; Cape Cross, Namibia

Road through sand dunes, Canary Islands

Flora & Fauna - (Color)- a 19th century, hand-colored engraving Animal - mammal - the class Aves Bird S. Camelus Ostrich An African flightless bird

Typical Tourist 6 Linda Braucht (20th C. American) Computer Graphics

Signs & Symbols - line art Africa Hairpin from Angola. The country lies on the southwest coast of Africa bordered by Zaire, Republic of the Congo, Zambia and Namibia. The Portuguese were the first Europeans to arrive, in 1483.

Tourists with camel in desert and Giza Pyramid in background, Cairo Egypt

Desert at night

Dark dunes march along the floor of Gale Crater, Mars.

Titan boasts liquid hydrocarbon lakes at its north pole

Mars outpost near mesa.

Dark dunes are shaped by the moon's winds on the surface of Titan.

Sand dune, Namibia, Africa