Traces the birth of the national park idea in the mid-1800s and follows its evolution for nearly 150 years. Using archival photographs, first-person accounts of historical characters, personal memories and analysis from more than 40 interviews, and what Burns believes is the most stunning cinematography in Florentine Films' history, the series chronicles the steady addition of new parks through the stories of the people who helped create them and...

Carved from a hundred million pounds of stone, soaring effortlessly atop a spiderweb of masonry, Gothic cathedrals are marvels of human achievement and artistry. But how did medieval builders reach such spectacular heights? Consuming the labor of entire towns, sometimes taking a hundred years to build, these architectural marvels were crafted from just hand tools and stone. Many now teeter on the brink of catastrophic collapse.

Tells the sweeping and dramatic story of religious life in America, examining more than 500 years of American religious history, from the voyage of Christopher Columbus to the 2008 presidential election. Examine this history as it has played out in public life, exploring the complex interaction between religion and democracy in the United States; the origins of the American concept of religious liberty; the dynamics of the ever-evolving American religious...

Investigate some of today's most exciting advances in scientific research.

Alice, now 19 years old, returns to the whimsical world she first entered as a child and embarks on a journey to discover her true destiny.

Presents the history of low-temperature research and the quest for ever-lower notches on the thermometer. The conquest of cold opens with experiments in the 1600s that asked what heat and cold are, and whether they are different aspects of the same phenomenon. Shows how the experiments that settled those questions helped stoke the Industrial Revolution. The race for absolute zero dramatizes the rivalry between Scottish researcher James Dewar and Dutch...

Within a single generation, digital media and the World Wide Web have transformed virtually every aspect of modern culture, from the way we learn and work to the ways in which we socialize and even conduct war. But is the technology moving faster than we can adapt to it? And is our 24/7 wired world causing us to lose as much as we've gained? This in-depth exploration of what it means to be human in a 21st-century digital world continues a line of...

Ken Burns documents the worst human-made ecological disaster in American history, when a frenzied wheat boom on the southern Plains, followed by a decade-long drought during the 1930s, nearly swept away the breadbasket of the nation. Vivid interviews, dramatic photographs, and seldom-seen movie footage bring to life incredible stories of human suffering and perseverance. Includes bonus features.

Trapped in a violent, controlling relationship with a wealthy scientist, Cecilia Kass escapes in the dead of night and disappears into hiding. But when her abusive ex commits suicide and leaves her a generous portion of his vast fortune, Cecilia suspects his death was a hoax. As a series of eerie coincidences turns lethal, threatening the lives of those she loves, Cecilia's sanity begins to unravel as she desperately tries to prove that she is being...