Alaska: Last American Frontier

S1 E6: Guarded by ice and mountains to the east and ocean to the west, South-eastern Alaska is one of the last great wildernesses. And, as this fascinating travel documentary narrated by Helena Bonham Carter reveals, it’s also part of the largest temperate rainforest on Earth. The inhabitants, including wolves, bears and whales, must make the most of the abundant summers before the harsh winter descends.