Visible crew/equipment: When Logan and Jenny Agutter meet the shiny robot in his ice lair, you can see the reflection of the film crew many times on the shiny body of the robot. (01:07:00)
Visible crew/equipment: As King Kong jumps from one of the Twin Towers to the other, you can see the wires attached to him as he lands. (01:59:30)
Visible crew/equipment: As the house is crumbling in on itself in one of the last scenes, there are a couple of shots of the ceiling being pushed in by some 'unseen force'. If you look closely as the last bit is falling, you can catch a glimpse of a hand and black sleeve pushing it in.