The Pima Air & Space Museum is one of the largest aviation museums in the world, and the largest non-government funded aviation museum in the United States. The museum maintains a collection of more than 350 aircraft and spacecraft from around the globe including many rare and one-of-a-kind and more than 125,000 artifacts. Exhibits at the museum include some of the world's greatest aviation heritage, including military, commercial and civil aviation. Among these exhibits is the SR-71 Blackbird, the world¹s fastest plane, a B-29 Superfortress, the highest flying and fastest WWII bomber, a rare World War II German V-1 "buzz bomb," and a new state-of-the-art 787-Dreamliner. The museum has six large hangars totaling more than 177,000 square feet of indoor exhibit space. Pima Air & Space maintains its own aircraft restoration center, and also offers exclusive tours of the Aerospace Maintenance and Regeneration Group (AMARG), also known as the "Bone Yard" (across from the museum at Davis-Monthan Air Force Base, 10-business day advance reservation required). The Pima Air & Space Museum is located at 6000 E. Valencia Road, Tucson, Exit 267 off Interstate 10. The museum is open daily except Thanksgiving and Christmas, from 9 a.m. to 5 p.m. with last admission at 3 p.m.