Poll: Ray Harryhausen's Most Influential Work In Stop-Motion

Ray Harryhausen was an American visual effects creator back in the twentieth century. His most memorable works include the animation on Mighty Joe Young (1949), The 7th Voyage of Sinbad (1958) and Jason and the Argonauts (1963). But which of the following work by Ray Harryhausen do you consider to be the most influential for the stop-motion genre. Discuss here