Have you seen the movie ‘Up’? It’s an animated movie about an old man’s journey to South America in his flying house tied to helium balloons.

To see if it’s really possible to fly a house with helium balloons, The National Geographic Channel did an experiment for a new show titled “How Hard Can It Be?”. Using about 300 giant helium balloons to fly a small house weighing 2,000 lbs, up to 10,000 ft, for about an hour. The house is about 16 ft. by 16 ft. & 18 ft. tall, carrying 2 pilots.

http://www.youtube.com/watch?v=TfwN4JIBKqk

(full story here)