You can tour the Ford River Rouge truck factory, which is where they make the F-150 and F-150 Lightning:

https://www.thehenryford.org/visit/ford-rouge-factory-tour/h...

I went on a tour of the VW Dresden factory back when it produced the Phaeton and Bentley Continental. It looks like they currently produce the ID.3 there and are still doing tours:

https://www.glaesernemanufaktur.de/en/your-visit/our-tours.h...