Lots of things you never knew you could do with vinegar.
A cute in-the-works documentary called My Heart is an Idiot.
Ask 500 people a question, get a general consensus answer.
I used to write my future self letters all the time, but sometimes seeing it pinned to my bulletin board was too much to bear. Now you can just send your future self an email.
Did you know there's a National Toy Hall of Fame? I think it sounds like a lot of fun.