This Land

The Louisiana Purchase doubles America's size overnight and reshapes the country forever.

The Lewis and Clark expedition - part of Jefferson's vision to create an America stretching "from sea to shining sea" - incites westward expansion.

California's rise was not promised. Descendants of the settlers, in pursuit of Manifest Destiny, reveal the ambition that transformed the frontier.

Against impossible odds, DeWitt Clinton launches a plan to reshape the landscape of New York state and transform it into a global trading superpower, sparking conflict between the Gilded Age elite and the immigrant poor.

The Alaska Purchase adds vast territory to the U.S. but is also one of the Earth's most extreme environments. Initially thought to be a failure, oil is discovered and the land becomes a cornerstone of America's economy - with hidden costs.