Spread the love Top 20 most successful movies of all time based on worldwide box office gross. Here is a brief description of each film based on its worldwide box office gross: 1. Avatar (2009) – $2,923,706,026   James Cameron’s groundbreaking sci-fi epic set on the lush alien world of Pandora revolutionized 3D filmmaking and visual … Continue reading Top 20 Most Successful Movies of all Time