Clockwork Orange
Eraserhead
Harold And Maude
Dr. Strangelove
Taxi Driver
Magnolia
No Country For Old Men
Suspiria
Beyond The Valley Of The Dolls
Das Boot
La Dolce Vita
The Blow-Up
Pink Flamingos
Holy Mountain
There Will Be Blood
Jackie Brown
Old Boy
The Abominable Dr. Phibes
Wizard Of Oz
Lisa And The Devil

Obviously I could keep going, but too many favorite movies to ever list in one sitting.

"Art is making something out of nothing and selling it."
---Frank Zappa