Pareidolia is a psychological phenomenon in which we see a certain image as being significant, such as seeing faces where there aren’t any.
Over at Francesco Mugnai’s blog, they have a great post showing 50 funny and stunning photos of faces found in everyday places. They are really rather amusing, and it’s incredible how they do actually all look like faces, even though they are nothing like an actual human face.
The image to the left amuses me the most out of all of them. Sign post is not amused. Onwards!