Surprise, Surprise,have a look on "the light side" (the "other" Forum calls this the Dark side!)
A fellow got a lot of stick, proposing to fly over the NP....
Much Umble Pie was eaten ,when he posted photos and a video ofhis amazingexploit in a 172. IIRC he removed the back seatsand fitted a ferry-tank sourcedfrom Australia!
Take the mickey at your peril, there are some people out there with balls of steel.