Tongass National Forest, United States

The Tongass National Forest  in southeastern Alaska is the largest national forest in the United States at 17 million acres. Most of its area is part of the temperate rain forest WWF ecoregion, itself part of the larger Pacific temperate rain forest WWF ecoregion, and is remote enough to be home to many species of endangered and rare flora and fauna. The Tongass, which is managed by the United States Forest Service.  Source