Ahaggar Mountains, central Sahara, southern Algeria

Tin Ghalega rock formation, Red Rhino Arch, Wadi Teshuinat, Akakus, Sahara desert, Fezzan, Libya.

Landscape of rocks, Tassili n? Ajjer area, Sahara desert. Algeria

Akakus, Sahara desert, Fezzan, Libya.

Valley of the Gods. Utah, USA

Remaining water in a riverbed near the prehistoric archeological sites in Wadi Mathendous, Mesak Settafet plateau, Libya

In October 2009, China's Gansu Province, Zhangye City Danxia Landform

In October 2009, China's Gansu Province, Zhangye City Danxia Landform

Tourists on camels riding in a wadi of the Sahara desert, Libya

In October 2009, China's Gansu Province, Zhangye City Danxia Landform

In October 2009, China's Gansu Province, Zhangye City Danxia Landform

In October 2009, China's Gansu Province, Zhangye City Danxia Landform

Overhead view of a vast desert wilderness.

The sun sets on this desert landscape.

A lightning storm over a desert lights up the sky.

Landscape scene of three mesa tabletop mountains in a wilderness area.

Two Diplodocus dinosaurs search for food in a desert landscape.

Sunrays shine down on mist over a canyon river in a desert wilderness.

A blue shadow falls across the turquoise river waters of this canyon.

Two spacecraft fly over a mountain range.

Cosmic seascape on another world with a ringed planet in the night sky.

The trees are kissed by sunlight before an approaching storm.

Terragen render of Mt. Whitney, California, at dawn or sunset.

Sunrays shine down on this canyon landscape.

Canyon

Rock formation in the Acacus Mountains, Sahara desert, Libya