Probably fifteen years ago, I walked into an art museum, and the first painting I saw was an approximately 3 x 6 foot canvas painted solid red. No lines, no designs, no other colors: nothing but red.
It looked a little something like this:

I have long bemoaned the fact that this monochromatic quadrilateral was considered art. Fifteen years later, of all the pieces of artwork I have ever seen in person at a museum, the red parallelogram is the single piece that I remember most vividly and with the greatest emotion.
OK, artist wins.
Credits:
Images on right and left accessed from Wikipedia
Image in middle recreated from memory
Musings about what qualifies as art inspired by Mike
