Plot: Storyteller Bill Weir continues his worldwide quest to uncover the untold stories of remarkable people, places, cultures, and creatures, at the crossroads of change. Across six hour-long episodes, viewers will be transported to fascinating and breathtaking locations, including the glaciers and fjords of Iceland, the Peruvian ruins of Machu Picchu, the Grand Canyon and Colorado River, stunning Botswana and Namibia in southern Africa, the secretive Himalayan kingdom of Bhutan and to Cuba as it undergoes dramatic transformation