Root level - continents
Level 1 - top 5 populated countries of a continent
Level 2 - a country flag




This menu if filled by a content making it better an illustrative than navigation one. Displaying an hierarchy in a compact and pretty way is one more menu advantage.
A menu item named "Europe" is linked to our home page - http://www.gurtom.com
A menu item named "United Kingdom" in "Europe" folder is linked to Gurt Menu JS home page - http://www.gurtom.com/products/menus/js/
"United Kingdom" -> "Europe" is opened in a new window, since first (zero-based) menu level has 'target' index of its config array set to '_blank'