"I love things on the border of reality and fantasy -- the supernatural" - Dario Argento
For me it is less that and more an art-house curiosity. Surely, it is one of the most visually arresting films ever made, and has a long string of films that have been either inspired by or have had references in an uncountable multitude. Together, Argento's direction, Luciano Tovoli's cinematography, and Giuseppi Bassan's art direction create a psychedelic dreamscape of color and sound (provided by Italian prog rock group Goblin) that is unique in cinematic history.
This article appears in the April 2018 of TOTAL FILM and provides a retrospective of the film that has been remade for.... well, name your reason.