Sheriff Walt Longmire is back in the saddle and dedicated to serving his community after coming to terms with the devastating loss of his wife. Walt's reign as Sheriff hangs in the balance as he fights for re-election against rival Branch. Vic is visited by the ghost of a past she'd rather forget. Walt's daughter Cady searches for answers about her mother's murder, while Walt's possible connection to the death of his wife's killer threatens to draw...

The myths, legends and realities of the Old West come alive through original footage, authentic diaries, paintings, photos, and expert commentary.

"Take a front row seat on a period of U.S. history from 1930-1940 when America's heartland was ravaged by a weather phenomenon that became known as a "black blizzard." Watch as scientists and special effects experts recreate the black blizzards in amazing detail and reveal that this was a man-made disaster. Discover how these phenomena form, what they're made of, and how they affect people's health and the environment. Learn how a black blizzard emerged...

History unlocks the truths and myths behind the world of epic heroes and villains. Examine the complex soul of the prophet Moses, who defeated the Pharaoh and the Egyptian army and led his people out of Egypt. See how Joshua's army infiltrated and destroyed Jericho from the inside out. Discover the stories of King Ramses II and such ancient marvels as the temple at Karnak and the rock temple at Abu Simbel.

A comprehensive portrait of John F. Kennedy, complete with rarely-heard recordings of JFK and RFK, interviews with personal confidantes, insiders and highly-placed sources, and home videos of the Kennedy family.

Meet the Robertsons, who run Duck Commander, a homegrown mom-and-pop turned sporting empire selling top-of-the-line duck calls and decoys out of salvaged swamp wood. Dressed in camouflage and bandanas, this crew shows the world how a family can work together and be a success at the same time. Their booming business employs half the neighborhood, and each day brings a new set of challenges, but this clan meets them with a special brand of Southern...

Using dramatic reenactments, state of the art cinematography, location shooting, CGI and 3-D animation, historians and experts talk about history from the origins of man to the discovery of a new world. At the height of its power the Russian Empire stretched across 15 time zones, incorporated nearly 160 different ethnicities, and made up one sixth of the entire world's landmass. Trace the glittering stories of the Imperial rulers and the Russian people...

Using dramatic reenactments, state of the art cinematography, location shooting, CGI and 3-D animation, historians and experts talk about history from the origins of man to the discovery of a new world. Trace evolution from the dinosaur era through human development. Discover 4,000 years of human history, with only the civilization of China surviving the test of time.

Examines political icons from President Franklin D. Roosevelt to 2008 presidential hopefuls Barack Obama and John McCain. Shows how politicians and celebrities use subtle body language to persuade masses; establish power; and advance careers.