There are precious few regions on Earth that have been left undisturbed by the encroachment of mankind. This eye-opening six-part BBC America documentary series explores some of those still-pristine areas in places like Borneo, Alaska, Africa, South America, and others, examining their beautiful ecosystems and wildlife communities. Narrated by Helena Bonham Carter.6 episodes on 2 discs. 4 hrs. Widescreen; Soundtrack: English.