Hi Marcus:
 
For the USA section, you could add:
 
1. Museum of Flight, Seattle, Washington, 
www.museumofflight.org [Messerschmitt Bf109E-3 and Focke-Wulf FW190D-13]
 
2. Evergreen Aviation & Space Museum near Mcminnville, Oregon, 
www.sprucegoose.org [Messerschmitt Bf109G-10]
 
Good luck