Escher’s Ascending and Descending in LEGO. Also Belvedere and Balcony. via Metafilter
Eschers paintings
I found these impressive LEGO recreations of M.C. Escher's famous perspective-defying paintings, including "Ascending and Descending", "Belvedere", and "Balcony". They use clever building techniques to replicate the impossible geometry of the original woodcuts.