Visit it later

Visit it Later is an iPhone app that let's you organize places you've been to.

Visit it later is an easy and tiny tool to save, organize and remember interesting places you don't have time to visit now but may want to return to in the future. You can add tags, photos, and addresses for each location. Visit it later has everyday functionality for running errands, shopping or presents, but can also be used as a travel tool for marking interesting sights or restaurants.