Not every movie desert has a saguaro cacti, but they are common because they are easily recognizable as a desert plant to viewers. Also, it has almost become a tradition in the film industry.
Palm d'or
1994.
Not every scary movie,but she is in the first one.
dry hot and arid: desert type
Every movie if you know where to look.
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Laurel and Hardy
Palm d'or
in the movie the south pole moved to the desert
1994.
The Hills Have Eyes
Not every scary movie,but she is in the first one.
the black stallion, the doors, etc
Back to the Future
dry hot and arid: desert type
The mummy or something!?
The Beast