Originally Posted By: Frbl
Not an auto plant, but the Harley plant in York, PA gives tours. Probably not as high tech as some ultra modern auto plants, but still fascinating to watch. Even my mother, who doesn't give a fig about motorcycles, enjoyed the tour.
When I lived in MD, I used to go up to the York plant once a year and did the plant tour and the museum. Made for a nice bike ride, only being about and hour away from my then home.