We don't dream of drinking gin on the beach. No one wants whiskey or rye with sand between their toes. These honors go directly, and permanently, to rum: The official spirit of vacationers (and, okay, pirates) everywhere.

But just because it's the base spirit for a host of laid-back cocktails doesn't mean rum is a simple affair. Found in a wide variety of shades and flavors, rum -- one of the first liquors produced in the new world, dating back nearly to Columbus's arrival in the West Indies -- is quite the complex elder statesman. Don't know your white from your dark, or your gold from your spiced? Let our rum rundown light the way.