The Escher exhibit at the Kuntsmuseum has amazing room decorations by Gijs Van Vaerenbergh
There are also sketches and pencil tests of several pieces, which reveal much of Escher’s design process.
@th Wow these are great what prompts did you use? /s
@th Do they have 'Print Gallery' in that first one with the pillars?
https://en.wikipedia.org/wiki/Print_Gallery_%28M._C._Escher%29
@penguin42 I think that one was in the perspective room. This one did have "Procession in Crypt"
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There are also sketches and pencil tests of several pieces, which reveal much of Escher’s design process.