Here are top 10 movies of all time according to different sources:

1. The Departed (2006)
2. Good Will Hunting (1997)
3. Inception (2010)
   
4. Interstellar (2014)
5. The Dark Knight Rises (2012)
6. The Dark Knight (2008)
7. The Sting (1973)
8. Don't Look Now... We're Being Shot At!
9. Gates of Heaven (1978)
10. 28 Up (1984).

Top 10 Movies of all time (imdb.com)