America By Rail: Winter Wonderland

Various MGM stars from yesterday present their favorite musical moments from the studio's 50 year history.

One Life captures unprecedented and beautiful sequences of animal behaviour guaranteed to bring you closer to nature than ever before, as well as a second disc packed full of never before seen extras including an exclusive making of featurette narrated by Daniel Craig.

The history of cinematic sound, told by legendary sound designers and visionary filmmakers.

Echo is a youngster who can't quite decide if it's time to grow up and take on new responsibilities-or give in to her silly side and just have fun. Dolphin society is tricky, and the coral reef that Echo and his family call home depends on all of its inhabitants to keep it healthy. But Echo has a tough time resisting the many adventures the ocean has to offer.

Dick Proenneke retired at age 50 in 1967 and decided to build his own cabin in the wilderness at the base of the Aleutian Peninsula, in what is now Lake Clark National Park. Using color footage he shot himself, Proenneke traces how he came to this remote area, selected a homestead site and built his log cabin completely by himself. The documentary covers his first year in-country, showing his day-to-day activities and the passing of the seasons as he sought to scratch out a living alone in the wilderness.

A behind-the-scenes documentary about the Clinton for President campaign, focusing on the adventures of spin doctors James Carville and George Stephanopoulos.

A documentary highlighting the Soviet Union's legendary and enigmatic hockey training culture and world-dominating team through the eyes of the team's Captain Slava Fetisov, following his shift from hockey star and celebrated national hero to political enemy.

For the 20th anniversary of "Titanic," James Cameron reopens the file on the disaster.

A new mother’s memories of her own youth prepare her to navigate motherhood in the increasingly challenging world that polar bears face today.

Former United States Secretary of Defense, Donald Rumsfeld, discusses his career in Washington D.C. from his days as a congressman in the early 1960s to planning the invasion of Iraq in 2003.