Ingo Arndt / Dead trees in Namib desert, Namib Naukluft NP, Namibia

Francois Savigny / Evening light on sand dunes, Sossusvlei NP, Botswana, Southern Africa

Ingo Arndt / Desert Chameleon {Chamaeleo namaquensis} walking on hot sand, Namibia.

Francois Savigny / Suricate (meerkat) young - a few weeks old, Kalahari Gemsbok South Africa

Juan Carlos Munoz / Namib sand snake (Psammophis namibensis) in sand dunes, Swakopmund, Erongo Region, Namibia.

Juan Carlos Munoz / Gemsbok (Oryx gazella) aerial view of herd on sand, Namib Desert, Namibia.

Juan Carlos Munoz / Gemsbok (Oryx gazella) aerial view of herd on sand, Namib Desert, Namibia.

Floris van Breugel / Beavertail cactus (Opuntia basilaris) in otherwise stark desert, Alabama Hills, Owen's Valley, California, USA May

Floris van Breugel / Dune primrose, Sand verbena, and Desert gold emerge from the sand after brief spring rains in Anza-Borrego Desert State Park, California, USA March

Floris van Breugel / Dune primrose, Sand verbena, and Desert gold emerge from the sand after brief spring rains in Anza-Borrego Desert State Park, California, USA March

Floris van Breugel / Sunrise over Mt Morrison in the far distance, near Convict Lake, Sierra Nevada, California, USA January

Inaki Relanzon / Animal petroglyphs between 5,000-15,000 years old years ago, Khavtsgait Petroglyph Mountain, Gobi desert, Govi Gurvan Saikhan National Park, South Mongolia. June 2015.