was this where the marine guards were? >> for 444 days this was a prison for some 50 american hostages. in 1979, the takeover dramatized in the os war winning film. taking us to the secure part of the embassy. the film "argo." he says it's the same. now an anti-u.s. propaganda museum run by the iranian government. while many have grown disillusioned with the islamic revolution, here the anger against america still survives. do you still believe it was justified to hold the americans as hostages? >> translator: yes, he said. definitely. >> reporter: every room and every piece of xwimt in exhibit. >> this is walk back in time. >> reporter: a sound-proof meeting room complete with dusty mannequins and encrypted telex machine marked to the usa. and shredder stack used as