RVM comes for free with 2 maps bundled :

Below a live demonstration of how the World map will render into your page !

We offer more then 200 cool maps ready to be installed and customized into RVM in just one step without any coding skills!
Country, city, continent and world maps. Adapt any map to your website look-and-feel.
Link any region of the maps to your posts, pages or any other external link, toggle element on your page or show content over the map.
Add markers using latitude and longitude on most of the maps.

A lot of customizations possible: haveĀ  a quick look at RVM settings page!