Just look at that picture! Fly By Wire has to be the new winner in the "most fun you can have with your clothes on" department. Imagine strapping yourself into a streamlined hyper-fan rocket that's suspended from high-tension wire strung between two mountain peaks in New Zealand.
Check out this octet of astonishing action pics in our gallery:
You control the throttle and steer the vehicle, but we can't imagine there's a whole lot of guidance involved. It's $96 for a 25-minute ride, and then, well, there's that plane ticket to New Zealand.