A man, Matthew Dovel, tells ABC News that he has seen Heaven and hell; both visions transformed his life. The former he saw as a boy when involved in a pool accident. The latter gave him grace to go "cold turkey" from a $1,000-per week drug habit and found a suicide prevention non-profit. Science can't get further than amino acids, electrical impulses, and similes (natch).
But a film that is funny as hell (sorry), with astounding images, and one or two extremely right-on theological insights (like the Hebrew meaning of 'Chabod' - "glory") is Constantine, starring Keanu Reeves and Rachel Weisz. This clip-vision of hell aligns pretty well with what Dovel experienced: