The United States places its decommissioned aircraft in storage at David-Monthan Air Force Base, in the dry non-corrosive air of Tucson, Arizona. The locals call the row upon row of aircraft the Boneyard. Having a look at the site with Google Maps I could only spot three F111s in open storage.
Source: Google Maps, David-Monthan Air Force Base, Tucson, Arizona Australia is rather unique in that it has returned an F111 to service from the Boneyard, which the USAF personnel dubbed the 'Boneyard Wrangler'

