There are a number of storage airports in the western United States known to aviation enthusiasts, with row upon row of retired and stored airliners parked up awaiting their fate. Largest among these are Mojave, Victorville, and Marana Pinal Airpark.
The latter, located to the north of Tucson in Arizona, is notoriously difficult to get close to for the enthusiast, with guards manning the entrance, which in itself is a long way from any views of aircraft.
In fact, the standard way for an enthusiast to see airliners parked at Marana is to hire a private aircraft and pilot to fly them from Tucson to Marana, performing a number of low approaches, or a landing and slow taxi for takeoff, snapping photographs frantically in the hope of catching everything parked there, and preferably the registrations. Then a period of research would begin to work out exactly what was seen.