With MapFab, your can create your own custom Google Maps in minutes and publish them as KMZ files that can be directly viewed inside Google Maps and Google Earth.
MapFab lets you add lines, custom marker icons, polygons and text labels to your maps. They also include Magnetic Lines where the lines will automatically snap to the physical roads on Google Maps.
You can choose from a variety of icons for your marker pins and they can also have tooltip text and info bubbles that pop-up when someone clicks the marker.
The published maps can be either public or you can protect them with a password.