Visible crew/equipment: On the beach there's a battle charge, and in the foreground you can clearly see a set of tyre tracks from the camera vehicle preceding the charge.
Great sites
Mistakes
When one of the siege towers is rolled over the camera, you can see one of the pushers look for the camera and move to avoid it. See more...
El Cid mistakes
Continuity: When one of the siege towers is rolled over the camera, you can see one of the pushers look for the camera and move to avoid it.
Revealing: In the scene were Charlton Heston has just said goodbye to Sophia Loren and is about to ride off with his followers (last scene just before the set intermission in the film), you can just make out a tiny little red automobile riding through the landscape in the background.