Fine Art Portraits like to go to the other extreme. Portraits of older actors, and most notably Clint Eastwood, have portraits taken in black and white which accentuate the lines and blemishes and harsh effects of being alive for a long time.
Optical Illusion Skull Art - Collect images like these for a fun little hobby. Like this one, Skulls, by artist Octavio Ocampo. Look closely and you'll see a bakery worker, but squint your eyes and you'll see a skull.