With some people claiming the earth is flat, and other such controversies about the shape/size of the universe in mind, watch this video.
youtube.com/watch?v=dBap_Lp-0oc
See if it doesn’t give you a new perspective. 
And maybe an idea for a book.
Actually, this is my academic speciality (visual perception, including visual illusions). This video is surely a much better explanation of the Ames window illusion, :
youtu.be/DkVOIJAaWO0
youtu.be/0KrpZMNEDOY
I wish I’d had the chance to watch this show when I was a kid!
And if you want to go back to a 1950s source (~9 minute mark for Ames window):
If anyone wants a more academic explanation, Chapter 14 of this utterly beautiful but extremely expensive book:
Are you assuming there’s really one way that it is?
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Yes. The perspective of the person who made it.