Every person who has seen the movie Up and also enjoys dreaming about fanciful things every now and again has thought about flying away in balloons like Carl Fredricksen. Professional daredevil and crazy person Erik Roner just did it. He bought tanks of helium to pump up giant balloons to make him fly.
All it took to live the dream: 50 tanks of helium, 90 balloons, a lawn chair and a parachute for the fall back down.