1. Smithsonian National Air and Space Museum, Washington, D.C.
   I've been there twice, speechless... I could visit another 10 times but will never finish to see them all

2. TWA Museum, Kansas City, Missouri I don't think this should be at the second place. I don't believe - it is just a small spot

3. Intrepid Museum, New York, New York
The museum is on the WW2 aircraft carrier," USS Intrepid" - of course, it is amazing - besides, It is 45 minutes from my home

1. National Museum of the United States Air Force, Riverside, Ohio

2. Evergreen Aviation & Space Museum, McMinnville, Oregon

3. The Museum of Flight, Seattle, Washington

4. EAA Aviation Museum, Oshkosh, Wisconsin

5. San Diego Air & Space Museum, San Diego, California

6. Pima Air & Space Museum, Tucson, Arizona

7. National Naval Aviation Museum, Pensacola, Florida

Read the full article here: >>

This is another great museum at the Dover Air Force Base I visited last year, but it is not on the list above. -
The Air Mobility Command Museum

APS Museum

Check out those links. I hope this post inspires and motivates you to build.