Check out Pocket Scout.
It was an app originally designed to support Hollywood location scouts and allows for a mapped waypoint, photos of the location and notes.
Very clean little app.
Originally Posted by marchyman
Ahhh, that's where the GPS comes in. One with a very long track log, a way to save daily track logs on unit, or a way to download the track logs helps. Then I can just note a time and use the track log overlay on a google map to figure out the roads, towns, and other good stuff.