Tucson

Kitt peak. many peaks around Tucson have the observatory station, the largest one is on Kitt Peak

Another interesting place is so called the tomb of airplanes, D-M Base. You can see more than 5000 airplans by driving south along Kolb and then visit Pima Air & Space Museum, which hold many different planes

Give your two links

http://www.noao.edu/kpno/
http://www.pimaair.org/