Sterling State Park in Monroe is about 45 min from The Henry Ford. Drove thru it the other week- not at all a typical Mi SP. Very wide open, and with smoke stacks on one side, and a view of 'Fermi' on the other- takes away from that rustic CG feel.
Harbortown RV Resort - New Website
also in Monroe. Can't offer any reviews, never been, but rvparkreviews gives it pretty good ratings.
Camp Dearborn, in Milford, is also about 45 min from THF.
Haven't been there in 30 years, so can't review that one either... but a friend told me they recently renovated it.
Museums a great spot to spend half a day, then the other in the Village- weather permitting. Of course, don't miss the:
If you want to experience the best burgers in Michigan, be sure to stop at Miller's Bar on Michigan Avenue, about 2 miles west of Oakwood Blvd.
Of course, if you're into Mid-Eastern, Lebanese cuisine, there's a bunch of really great restaurants on the east side I can point you to- just let me know.