This one isn't exactly rocket science, but it looks like it could blossom into a useful service: Parentography. This is a user-generated directory of things to do with kids. It reminds me of Chowhound (now a CNET property), a restaurant reviews site written by foodies for foodies. This is pretty much the same thing but for parents (sadly, few venues are good bets for parents who are also foodies).
Parentography has reviews of museums, parks, restaurants, and other venues that its members recommend (or don't) for families with kids in tow. It also has a section for "… Read more