This is Kitt Peak National Observatory, located over 2km above sea level in Tucson, Arizona. This is one of the locations we will be visiting during our trip.
Kitt peak is part of the National Optical Astronomy Observatory (NOAO), It contains 3 major telescopes and and hosts consortia which operate 22 optical telescopes and 2 radio telescopes
Find out more at the official Kitt Peak National Observatory website
astrochar 