All I know is that in the 20ies and 30ies some pilots actually did it, they also landed on the rooftop of some of the Paris superstores (Gallerie Lafayette or Samaritaine).
Not sure whether somebody did it a few years ago but a bloke called the "Black baron" drove the French security people mad a few years ago when he flew over Paris at night several times. He did land on the Champ Elysees one day. They had closed them off to film some kind of commercial showing a bloke running holding the Olympic torch....when all of a sudden an a/c appeared behind him, low, flew right on top of him and landed.
He got a great one in his log book, not sure whether he still has a licence though!