Outside Tucson, Ariz., the Davis-Monthan Air Force Base is used to store old planes. The airplane 'boneyard' houses thousands of decomissioned military aircraft. The base is still in use, and you can find many active aircraft slightly to the northwest.
Is it better to go with your utility's renewable power option or install your own solar or wind power?
Playing down the usual vacation fare, these guides encourage travel to satisfy historical, architectural, and ecological curiosity.