It all started here, with the world's first civilization. It was a land between two rivers known as Mesopotamia. But this was not just the first civilization. It was also home to the world's first superhero - a king named Gilgamesh. Here we look at this earliest of stories and the city-states that arose out of the desert in Mesopotamia. It was a harsh land with harsh gods, but it produced a template for other civilizations, and a standard for world history.