The Australian flag carrier Qantas has flown multiple Airbus A380s to the Mojave desert in California for storage.
Normally, Qantas stores its aircraft in Alice Springs, located in the Australian outback. However, Alice Springs does not have the space to accomodate the A380s. The aircraft, which are temporarily not in operation, are therefore being stored in the Californian desert. A few other Qantas A380s are currently located in the German city of Dresden. Now that the airliners are temporarily not needed, they are being provided with new interiors in Germany.
Even when stored, aircraft require maintenance. At Mojave airport there are companies that specialize in servicing stored aircraft. As such, Mojave is the perfect spot for airlines to temporarily store their planes.