A human aircraft. Well, OK, a flying wing whose pilot is the fuselage. You have got to see this: http://live.infomaniak.ch/rossy/jetmanlong.wmv.
Yves Rossy's web site is http://www.jet-man.com/index_eng.html. Take a look at the video under "actual". Former Swiss AF pilot (Mirage IIIs) and commercial pilot. And also, evidently, a man with big brass balls.