Satoshi Araki does these incredible designs. You can check out more here!
The car gurus over at Team Galag constructed this replica Tumbler from the Batman movies, entirely street-legal, for a cool $1.6 million. I know what you're thinking, "That seems awfully cheap!". Keep in mind, however, that you're going to need another $1.6 million to get all of the camera equipment you need to film all of the visually incoherent car chases with it. Them's the breaks!