The Atacama desert is the driest place on the planet. Hemmed in by the Andes to the east and coastal mountains to the west, some parts of the region have never recorded a single drop of rain. Spanish explorers referred to it as the "despoblado de Atacama," suggesting it was uninhabitable. Charles Darwin described it simply as "a complete and utter desert" in the
Voyage of the Beagle. Traversing the landscape, he reported, "I saw only one other vegetable production, and that was a most minute yellow lichen, growing on the bones of the dead mules. This was the first true desert which I had seen."
Every evening shortly before sunset, a caravan of tour vans arrives at the foot of this sand dune in the Valle de la Luna. A column of tourists trudge up the path to the top to watch the sunset turn the surrounding pale rocks to deep red.
Valle de la Muerte - map
The Moon from the Southern Hemisphere
I took this photo during a tour of the stars led by a french astromoner who lives near San Pedro. Northern Chile is the site of numerous observatories, including the world's largest, because of the clear sky, minimal interference and high altitude. Note that the half moon is oriented horizontally instead of vertically, unlike in the northern hemisphere.