If you're interested in outreach, real-world extensions of ELA, or character development, then you might be interested in random acts of kindness! {Scroll down for pics.}
I first did this project last year, during my unit on A Christmas Carol, when I wanted to talk to students about the importance of NOT being like Scrooge! Students couldn't decide how they felt about it at first, but in their reflections afterward, they were almost unanimously glad that they did it!