par· ei· do· lia
/per-ˌī-ˈdō-lē-ə/
noun: pareidolia
the tendency to perceive a specific, often meaningful image in a random or ambiguous visual pattern.
The scientific explanation for some people is pareidolia, or the human ability to see shapes or make pictures out of randomness. Think of the Rorschach inkblot test. — Pamela Ferdinand