Here are the proper details for the three I initially reported:
The Virginia Aviation Museum, Richmond VA
URL is:
http://www.vam.smv.org/
College Park Aviation Museum, College Park, MD
http://www.pgparks.com/places/historic/cpam/
The Kalamazoo Air Zoom, Kalamazoo, MI
http://www.airzoo.org/
All three are walkable (a block or less) from the GA parking area.