This is not a mirage ...
Yes, this really is in the desert. And, yes, that's what passes for a city skyline out here, with those being about as "high rise" as you'll see (okay, so there are taller buildings in downtown Phoenix ... but not by much). :)
Tempe Town Lake (Arizona) just after sunset, shot from the north side toward downtown Tempe.
6-exposure HDR (-2EV to +3EV), processed and tone mapped in dphdr (Human Eye mode) with final processing in CS3.
EXIF: f/16, ISO 200, shutter speeds between 2.5sec and 30sec