Just go to Monterey Car Week and you'll see virtually every rare car possible. New/old/whatever. It's all there. If you can think of it, you will probably see it somewhere on the peninsula during the week, driving or parked. Beyond car week, rarest car truly in the wild would be this: sitting in the parking lot outside the circuit at Le Mans in 2010 otherwise surrounded by shitty ecoboxes. Ballsy. I assume he drove it over from the UK, had an F40 in tow. Still the coolest. Used to store both a 959 and a 993 GT2 Evo. Those are pretty rare birds. Was never really crazy about the 959 but didn't mind having the Evo around to ogle. If you're a Porsche nut, those are unicorns. From the personal "you have to be kidding me" files, technically it is a public road. Driving the 06 FGT behind this crew. The real things. Speaking of the aforementioned car week, I have seen Kauffman driving the 66 winner on the road during car week.