Suspiria was shot with an intense color palette that almost seems to bleed off the screen, and the visuals are complemented by a pounding soundtrack by Goblin, a now legendary prog-rock band. The story of malevolent witches killing girls attending a prestigious ballet school has an almost fairy-tale feel to it, and the film has an unnerving, dream-like quality. There's nothing quite like Suspiria.
The '70s were a golden age for horror, and not just in English-speaking countries. Italian directors were making some excellent fright films, and none was more accomplished at the time than Dario Argento. The auteur director had filmed several great giallos (stylized Italian murder mysteries that often had horror movie elements) throughout the decade, before releasing his most famous movie.