MC Escher would be turning 111 today. As a big fan of optical illusions, I really dig his stuff. Thought you might get a kick out of checking out 10 of my favorites. Click on the pics to see the larger images. (Definitely worth it.)
Ascending and descending
Belvedere
Convex and Concave
Day and Night
Hand with Reflecting Sphere
Other World
Puddle
Relativity
Reptiles
Waterfall
I love MC E.
He is a genius, not unlike you Jerome.