B-17G "Yankee Doodle II" static display at 8th Air Force Museum, Barksdale AFB, near Shreveport, Louisiana.
http://virtualglobetrotting.com/map/27884/
http://www.grahametaylor.com/gallery/americasept02/america_3.htm
http://members.cox.net/b17brian/b17/44-85813/index.htm
http://www.warbirdregistry.org/b17registry/b17-483525.html
Liberty Belle (44-85734) is the other one:
http://www.warbirdregistry.org/b17registry/b17-4485734.html
http://www.libertyfoundation.org/index.php
http://www.warbirdregistry.org/b17registry/b17-4483525.html