No movie poster epitomises the B-Movie-saturated '50s quite like Creature From The Black Lagoon. It is also one one the few to remain as iconic and instantly recognisable today as it was at the time.
Where the majority of outlandish '50s B-movie posters have fallen into obscurity, this one has stood up as a representation of them all, and of the era that celebrated grotesque monsters and space men like no era before, or since.
Honourable Mentions: House on Haunted Hill, Invasion of the Body Snatchers, Them