First drive in I remember as a 6 year old kid was in Denver, Colorado. Beast from 20,000 Fantoms and Invaders from Mars. Scared the u-no-watt out of me!
Also saw there THE NAKED SPUR and Abbot and Costello go to Mars.
Also went to the two drive ins in Farmington NM. East side of town and west side where the Walmart is now.(1954-1956)
Went to the one in Aztec and saw THE PHENIX CITY STORY.