Here's one I just found out is an inaccessible view...after Food & Wine put the temporary Mexico food stand right in the EXACT spot one needs to stand to see this optical effect, they decided to leave that food stand in place - I don't know if it will be permanent or just a long-term placement, but the same food stand was there in September, and just last week...so it seems to be staying a long time. The 'view' is the special line-up illusion of the Tower of Terror behind the Morocco pavilion: