Atomic testing in the Arctic awakens a vicious dinosaur that decides to take a swim down to New York City for some good ol' city smashing.
Classic monster movie that helped launch a whole slew of films in the 1950s that featured some sort of mutated atomic beasty. Famous for being Ray Harryhausen's first solo effort as an effects supervisor. His "Rhedosaurus" remains one of his most memorable and ferocious creations. Based on a Ray Bradbury story.