Here I am playing with my wandering eye up in the conning tower while we're 300 ft below the surface deep into enemy territory waiting for the cover of darkness and...
I stand in front of the ladder going up top and see a little portable electric light. Behind it is a two ft tall x one ft wide and one ft deep metal box with a door on the front of it.
So... I cast an etheral form spell (whoops, wrong genre) and I desolidify and move through the door towards the wall behind it.. what are those black lines pointing towards I ask...
I follow them and find myself 'OUTSIDE' the control room skin looking at the entire control room from the outside.
Give it a try.
And give my wandering eye back when you're done with it.