With Gowalla you can track the spots you have vistited, getting stamps in your passport for each location. Further you can receive items and also drop or swap these at locations so you can collect them. Further Gowalla has the option of trips making it possible to discover new things at your location.
And then there is the social aspect of seeing where friends are and sharing info with them.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.