I don't know about all time, but some of my favorite films; a variety of shit that influenced me growing up & now.
I definitely missed some
& know I've still alot to see (especially earlier stuff)

2001
Adaptation
Apocalypse Now
Barton Fink
La Dolce Vita
Dumb + Dumber
Enter the Dragon
Fear + Loathing in Las Vegas
Goodfellas
The Good, The Bad + The Ugly
Happy Gilmore
Monty Python + the Holy Grail
The Holy Mountain
Mulholland Dr.
Nosferatu: Phantom of the Night
Pulp Fiction
Rear Window
Rushmore
The Shining
The Wizard of Oz