Unidentified: Inside America's UFO Investigation

Rick and Marty Lagina, two brothers from Michigan with a life-long interest in the mystery of Oak Island, renew efforts to discover the legendary treasure with sophisticated machinery.

The adventures of a Ragnar Lothbrok: the greatest hero of his age. The series tells the saga of Ragnar's band of Viking brothers and his family as he rises to become King of the Viking tribes. As well as being a fearless warrior, Ragnar embodies the Norse traditions of devotion to the gods: legend has it that he was a direct descendant of Odin, the god of war and warriors.

The series follows crews of fearless opal miners on their mission to unearth a fortune in some of Australia's harshest and remote landscapes.

The story of the feud that nearly launched a war between Kentucky and West Virginia. Devil Anse Hatfield and Randall McCoy were close friends until near the end of the Civil War, when they return to their homes -- Hatfield in West Virginia and McCoy in Kentucky -- to increasing tensions and misunderstandings that quickly lead to all-out warfare between the clans (partially caused by a stolen pig). As hostilities grow and outside forces become involved in the fight, the states where the families live are brought to the brink of another war as the feud makes international headlines, the states' governors clash and the U.S. Supreme Court eventually intervenes.

Science and mythology - and how they are the same thing.

During the harsh winter of Canada's Northwest Territory, remote villages and work camps are cut off from the world. To keep them supplied, a tenacious group of long-haul truckers drive their rigs over hundreds of miles on ice roads cut across the surface of frozen lakes. Sometimes the ice cannot support the heavy rig, and driver and cargo plunge through the ice and sink to the bottom. Hitch a risky ride along with the Ice Road Truckers as they drive headlong into bone-chilling danger.