The Minnesota Museum of the Mississippi and Other Natural Wonders has a fascinating photo essay on stone face simulacra. In Fortean terms, simulacra photos depict "spontaneous or natural figures or images. Pareidoliacs rejoice!
Old Man of the Mountains
Franconia Notch, N.H.
The State symbol located 1200 ft. above Profile Lake. A natural profile from the cliffs of Canon Mtn., 5 layers of rocks make up the profile, 40 ft. high and 25 ft. wide.