These are the 30 movies that had the greatest impact on me, both as a person and as a cinephile.
Honorable mentions:
La Dolce Vita (1960), Aguirre, the Wrath of God (1972), The Outlaw Josey Wales (1976), The General (1926), La Belle et la Bete (1946), Mad Max 2: The Road Warrior (1981), Scarface (1983), Don't Look Now (1973), Red River (1948) and Baraka (1992).