Rob Gonsalves is a famous Canadian artist whose works are recognizable for their magic realism and well-planned optical illusions. One image melts into another and comes back again full circle, playing with our minds by creating irrational dream worlds.
Mouth of Flower - Octavio Ocampo This is good art because it is an optical illusion. It could either be just some flowers with a butterfly, or you can also see a woman's face. It is very creative in a subtle way.