Argento films from the time period between 'Profondo Rosso' and 'Opera' as well, although none are as visually magical as 'Suspiria'. I hear his more recents movies are crap.
You might like Wong Kar Wai's films, such as 'Chungking Express', 'In the Mood for Love' and '2046', basically all his collaborations with Christopher Doyle.
You might like Yimou Zhang's films, such as 'Raise the Red Lantern', 'Hero', 'Curse of the Golden Flower'.
You might like Ron Fricke's work, such as 'Koyaanisqatsi, 'Chronos', 'Baraka' and 'Samsara'.
You might like Lars von Trier's films, such as 'Antichrist' and 'Melancholia'.
You might like 'Metropolis' (1927), 'Black Narcissus' (1947), 'Hiroshima, mon amour' (1959), 'Last Year at Marienbad' (1961), 'Lady Snowblood' (1973), 'Heart of Glass' (1976), 'Eraserhead' (1977), 'Blade Runner' (1982), 'Ran' (1985), 'Wings of Desire' (1987), 'City of God' (2002), 'Tideland' (2005), 'Apocalypto' (2006), 'Slumdog Millionaire' (2008), 'Enter the Void' (2009), 'Black Swan' (2010), 'Drive' (2011) and many others I am too bored to find now.