Drinking Fountain Findings

As we (type/read), outside of my office, in the drinking fountain, there is a blade of grass.
Grass in the drinking fountain. My first reaction was, "Oh, cool! Grass!" And then I thought, "Well, I should probably be a little grossed/weirded out by this."
I'm still stuck on the first thought train.

Please share all your nasty/cool drinking fountain/other public entity findings with me.