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A deft politician and skillful diplomat, TR's magnetic personality and genius for publicity made him a legend in his own time. Through archival footage and interviews with historians, this is an engaging portrait of the private man and the president who created the modern American presidency.

This 10-part series, with the renowned cultural critic and Harvard scholar Henry Louis Gates, Jr., delves into the genealogy and genetics of famous Americans, combining history and science in a fascinating exploration of race, family and identity in today's America. Professor Gates shakes loose captivating stories and surprises in the family trees of Kevin Bacon, Robert Downey, Jr., Branford Marsalis, John Legend, Martha Stewart, Barbara Walters and...

Creature teachers Chris and Martin Kratt will take families along on extraordinary animal-powered adventures. The show transforms the Kratt Brothers into animated versions of themselves, allowing the real-life zoologists to visit wild animals in their little-seen habitats and showcase key science concepts.

"Some are born to it. Others run to it. Come run away to the circus. Experience the fascinating reality of one our most potent collective fantasies. Join the company and crew of the legendary Big Apple Circus for their annual 350-show tour, an epic, unforgettable journey from town to town and stand to stand, from the big top to the 'backyard,' where the trailers are parked and the true heart of the circus beats."--Container.

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.

This documentary profiles people who are living with the grave consequences of a changing climate, as well as the individuals, communities and scientists inventing new approaches to safeguard our children's future. Filmed across the U.S., Asia and South America, this program brings the reality of climate change to life and offers viewers a variety of ways to make a difference in their own communities.

A chronicle of John and Abigail Adams' life together and the roles they played in the American revolution and the birth of the nation.

The sweeping Downton Abbey saga continues, beginning six months after the unexpected death of Matthew Crawley, heir to Downton Abbey, husband to Lady Mary, and brand new father to a baby boy and successor, in a car accident. Although it is the 1920s, Britain still observes mourning rituals that are almost Victorian in their solemnity. Nonetheless, life goes on at Downton Abbey and the Crawleys are beginning to snap out of it.

This videodisc focuses on climate change shown through time-lapse cameras set by internationally acclaimed photojournalist James Balog, who has placed equipment in more than two dozen glacial locations around the world in order to assess the impact of global warming.

Inspector Robert Lewis and his partner, the enigmatic detective Sergeant James Hathaway, return to the idyllic Oxford countryside and colleges in five new thrillers, forcing the pair to revisit the past and to reconsider the future.