Theo van Doesburg's Contra-Construction Project, 1923 is so cool! I like the colors that he uses plus all of the geometric shapes. What makes this so very cool is how three dimensional the piece of art looks. To me it appears to just pop out from the page.
I love the colors that Max Ernst used in his oil on canvas called Design in Nature, 1947. I also like all the curves and how some areas are more three dimensional than others.
I love the way that Guillaume Apollinaire uses words to make pictures in his work called Calligrammes. I love letters and words and the creativity used to turn them into pictures.