An underwater voyage to Indonesia to learn about its inhabitants such as giant rays and whale sharks as well as efforts being made in the region for ocean conservation.

In 1966, John Harlin II died while attempting Europe's most difficult climb, the North Face of the Eiger in Switzerland. 40 years later, his son John Harlin III, an expert mountaineer and the editor of the American Alpine Journal, returns to attempt the same climb.

A journey into the lives of a mother polar bear and her two seven-month-old cubs as they navigate the changing Arctic wilderness they call home.