What if Escher had it right and "within" is really "without," and stairs turn inside out and "up" is just the same as "down?"
Imagine if you will a "topsy-turvy" sort of place (or is that "turvy-topsy") where time marches retrograde and all effects precede their causes.
I know, I know, your life is busy but can't you drop it all for half a day and step out with me (with Escher at our side)? We'll cross the edge of time and space where an alternate universe or two is just a dream away.
Hurry up now (or then), let's go! We have to get back before the sun ascends in the west!