With easy installation on a web hosting account you will be able to make locations on this interactive map. This map is powered by the Google Maps API and will need the free API key to use this script. You can register for an API key here.
This takes the Interactive Map one step further. This will allow you to see the longitude and latitude of a location on the map of any location you pinpoint. This is powered by Google Maps API and will need an API key to use this script. You can register for an API key here.