Wow nobody talks about this stuff huh? this site is practically empty. well ill tell you a secret or two, check this out. When youget to the level "the sacking of punchbowl" go through the level until you come to the street w/ all the trucks lying around then walk up to the street rubble and walk up and youll see a hole in the wall
if you listen closely there a tasty humans to snack on if your helath is low. look for the big red building. "DINER"