Something impressive I havent read here is Pikes Peak International hill climb, I know its an annual event, but its amazing!
I only have seen videos, but makes me remember 80´s group "B" rallying.
"You need great passion, because everything you do with great pleasure, you do well." -Juan Manuel Fangio
"I have no idols. I admire work, dedication and competence." -Ayrton Senna