Walter Harper, Alaska Native Son illuminates the life of the remarkable Irish-Athabascan man who was the first person to summit Mount Denali, North America's ta

History, adventure, and science-the 18th century naturalist, Georg Steller, sailed to the north coast of North America and introduced its biological wonders to

Chronicles the work of geologist Dave Hopkins, whose research solved the mystery of the existence of Beringia, the Bering Land Bridge.