Want to see your layout from the engineer's point of view?
This page will list sources where you can buy tiny video cameras that you can place inside of your moving engines, or your stations, tunnels, etc.
Similiar to the old Lionel RailScope, but MUCH better quality not to mention that these are in COLOR. You will be amazed at what the tiny engineers inside your trains see as they travel across your layout.
I will add more as time permits, but for now, this will get you started: