Comprehensive chronicle of the Hoover Dam, one of the most ambitious engineering projects of all time. Shows the footage that documents every step of the monumental work of taming the Colorado to provide water and power to California, Nevada and Arizona. Includes interviews with the men who worked on the dam.

A profile of the transcontinental railroads that united the nation and subdued the West. Dramatizations, period photographs, and extensive interviews combine to animate this vigorous period in U.S. history.

A documentary that explores the history of corn in America, how it is harvested and canned, and how it can be converted into fuel.

The potato is among the most versatile, nutritious, and diverse foodstuffs in the world. Learn some new things about this amazing crop, from the potato's mysterious origins in the South American Andes to its prominence in the ethnic enclaves of New York's Lower East Side. In Northern Maine, meet a farmer of exotic potatoes, including blue, green, pink, and dark purple varieties, witness how large-scale potato producers slice, dice, freeze, and dehydrate...