If you look in the layers panel on the left, under "Featured Content", you'll find "National Geographic Magazine". Check this layer, and you see some red airplane icons over Africa, zoom in on those and you'll see the megaflyover images.
I do work in a school, and while I dare say I could get around any site bans I have far too much work to do. If you are that bored, why not see if any of your colleagues need help?