As the former British Colonies on the east coast become the United States of America, their sights are now set on what lays west; a ludicrously good land deal with France unlocks a vast wilderness seemingly open for the taking.

As the United States advances west, the nature of the land is revealed; what appeared to be a boundless empty terrain is in fact a richly inhabited landscape of diverse indigenous peoples who are not about the surrender without a fight.

Mexican-owned Texas offers land and freedom for those white settlers searching for a fresh start; the influx of "Americans" would be the catalyst for the brutal Mexican-American War that would change the course of US history forever.

The newly acquired territory of California proves invaluable as the chance discovery of gold unleashes the largest migration in US history and ignites a vicious debate on slavery, culminating in the American Civil War.

A race for the railroad system to join the east and west coast beings a new chapter in US dominance and leads to the rise of an American icon: the cowboy.

Exploring events and folklore of the American frontier that are now embedded in culture.