A general History of the USA courtesy of the Khan Academy - worth a watch for some context.
A four-hour exploration into the richness, the complexities and the controversies of the Mormons' story as told through interviews with members of the church, leading writers and historians, and supporters and critics of the Mormon faith.
Nice little mini site as well as the documentary which looks at the history of Mormonism. Click the image for more. http://www.pbs.org/mormons/
Three years before the Gold Rush, 87 pioneers took a shortcut westward to California, only to get caught in the snows of the Sierra Nevada. The emigrants' fateful journey culminated in death and cannibalism.
Watch the PBS documentary by clicking the image.
David Murdoch looks at the influence of big business and industry in the West. An illuminating talk and well worth a listen. The video is available here: http://vimeo.com/37894243
You can also buy David's book here.