a mind bending optical illusion that challenges perception

perception optical illusion challenging visual trickery deceptive puzzling enigmatic amazing depth inverted impossible surreal intriguing illusionary mesmerizing surprising abstract confounding paradoxical curious fascinating captivating mystifying elusive perplexity trippy bewildering confusion illusionist illusionism misperception anamorphosis invisible spatial tricky illusionistic disorienting delusional visionary illusory magical fantastic imaginary dreamlike psychedelic phantasmagoric kaleidoscopic mirage mind bending challenges