This is absolutly pointless but I thought I might as well post it here.
On top of one of the building on the Scryers tier, there are two corners which make you disappear when you walk in them.
Step One:
Step Two:
Easy is that, Both corners do the same thing.
I know its pointless so please don't flame me...
Extra Pic:
EDIT: sorry about the poorly cut/cropped pictures, I did this in paint and I didn't spend much time on the pictures...
EDIT 2: added another picture for you guys.