Sky island ranges are mountains isolated by desert valleys.

A river of the same name runs through the desert valley.

Further off of the great sand dunes in this high desert valley, precipitation numbers are exceedingly low.

The newcomers have been wooed to this desert valley, which had only two inches of rain all last year, with water.

Luna came to a stop in the center of the desert valley, nervously holding her knife.

Those with him opened the canvas cover and propped him up so he could see the empty desert valley below.

Reno sits in a high desert valley at the foot of the Sierra Nevada.

And again, driving from Petra to the desert valley, they are easily exceeded.

It was the desert valley that led to Tucson, a journey too dangerous for the dark.

So, he built a castle in the desert valley with the second-highest temperature on record.