1. An apparatus for use in landmark-based routing, comprising: a landmark database which includes information describing a plurality of landmarks, wherein each landmark is a conspicuous object, item, or structure that can be used to distinguish or facilitate recognizing a locality or point-of-interest, and wherein the landmark database specifies, for each landmark: a geographical, spatial, or geo-spatial location of the landmark, a rating value associated with the landmark that indicates the landmark's relative usefulness for route guidance, wherein the rating value, at least in part, is based on at least one of a plurality of user input and a quality rating of each landmark's location, a description associated with the landmark; an updater module that enables one or more of a manual, automatic, and user feedback-based updating or modification or rating of landmarks in the landmark database; and a route guidance generator which is adapted to generate route guidance information associated with moving from an origin to a destination, wherein, for a user, the route guidance generator: selects, at least in part based on ratings, landmarks useful for guidance from within the landmark database, and combines the landmark-based guidance with road-based guidance information to create a route guidance information to follow in moving from the origin to the destination.