Maps are good for more than just driving directions. The innovative map-maniacs at Platial have created the MapKit tool, which you use to place a collaborative map on your site to which your visitors can add their favorite places, along with comments, pictures, and video. MapKit is the brainchild of expatriate Americans living in Amsterdam who created oodles of paper maps for their out-of-town guests; the expats created a way to do the same thing online. Placing a Platial-powered map on your site is easy, and no programming knowledge is required. Take a look at http://www.platial.com/mapkit.