For anyone interested in history the Ford car museum in Detroit has the very bus in which she made her protest. You can sit in the bus and they have a quide who tells her story.
I'm not really into cars but Fords museum is unbelieveably good. And it's not just cars, they have trains, planes, helicopters, old electric turbines and generators, mock old style streets and shops as well as old household appliances. If you want to feel old it is the place to go. For quite a few of their exhibits I had first hand knowledge.