Somewhere deep in the dark depths of the dungeon below Castle Greyhawk, lies the "Great Stone Face Enigma."
A strange moai-like statue that is never truly explained. You can read about it here http://odd74.proboards.com/thread/12204/great-stone-face-enigma-greyhawk
In any case, I saw the sculpture that GeoffreyMarchal posted and it looked a lot like the "Stone Face" to me so I mocked it up. :)
Who doesn't need some kind of enigma in their dungeon?
Head of Buddha by GeoffreyMarchal
Delving Decor: Rocky Rubble (28mm/Heroic scale)" by dutchmogul