"Avatar" has already earned more than "Titanic", also directed by James Cameron, after six weeks on the big screen. But adjusted for inflation it lags some way behind.

Mr Cameron seems to have a magic touch; "Titanic", the most recent blockbuster on this list, is another of his films.

'Avatar' broke the seemingly insurmountable record set by 'Titanic' in little over six weeks, handing Cameron the remarkable feat of directing the world's two biggest movies of all time.