Click continents and countries to find the places you have visited. Click the flags to remove countries you have selected. Edit the title of your map. You can use this map to show whatever information you like, suggestions - "My Visited Countries", "Where I want to go", "I have friends in", "I have served in" - Edit the title to show this!
Click "Save My Map" when you have completed your map. You will get given an web-address - and you will be able to come back to this site and create a new map based on this one.