I finally made it to IF airport. If you don't play World of Warcraft, then you have no idea what I mean. :)
It's a place your not supposed to be able to get to in the game.
After watching a video of someone showing the route, it was fairly easy.
No wallwalking involved, although you do need a speed boost or mount, and some way to slow your fall speed. Luckily, I'm a mage. Weeeeee
on IF airport