I recently saw my 4th major car museum, my ranking ( )

1. Garlits, very race car drag oriented, suggest approx 2 hrs, Fla
2. NHRA, very race car, not just drag, suggest 2 hours, LA
3. Harrahs, wide selection, exotics, and 100's of rare cars 20's up quite impressive, include some racing cars, would recommend , suggest approx 3 hours Reno NV
4. Petersen. only two real race cars, seemed to have more effort devoted to LA history and "hot wheels", was very disappointed, can be seen in 1.5 hour

At lot of the above is dependent on how fast and how much one like to read.

Anybody like to comment or suggest others I'd like to add to my list for future visits?.

I like Floyd Garretts in Sevierville Tennessee, laid back look all you want,priced right, lots o nice iron! I like Garlits also.

We did the garlits museum 2 years ago it was awesome

The ACD museum in Auburn,In.Also Studebaker in S.Bend,In and Chrysler in Auburn Hills,Mi

Henry Ford Museum, Dearborn
Auburn Cord Dusenberg Museum, Auburn
National Motor Museum, Beaulieu Great Britain
Nethercutt Museum, Sylmar CA

Went to the US Nationals a couple years ago and mosied down the road to the Indianapolis Speedway, real cool museum in there. Mostly open wheel stuff, but there was some drag race stuff too.

are their websites to any of these ?

If you ever get the chance, check out Otis Chandlers Museum in Oxnard California. Private car collection is open only a few times a year.

http://www.chandlerwheels.com/

As mentioned above, if you're in the area check out the Nethercutt in Sylmar, California.

http://www.nethercuttcollection.org/index2.html