 The famous scene where Godzilla destroys the castle in Nagoya  actually had to be filmed several times, and the castle had to be  built twice. To make the castle fall correctly, two men are sitting  behind pushing it with long sticks. The first time scene was shot,  the two men pushed too soon, and the castle collapsed before  Godzilla even touches it. The miniature castle then had to be  rebuilt to redo the scene. The 2nd time, the opposite problem  happens, and the two men miss their cue. You can see when Godzilla  slams into the castle, it doesnt move. A second take had to be done  with Godzilla clawing away at it as the two men push it over from  behind. The moment where Godzillas foot slides on the ledge (causing  him to fall into the castle) has been thought by many to be an  accident. According to Harou Nakajima (the actor inside Godzilla)  the fall was actually scripted that way and done on purpose.