Work is wrapping on a project to rebuild the northernmost stretch of the Dalton Highway that was badly damaged two-and-a-half years ago by flooding from the overflowing Sagavanirktok River.

Dalton Highway, which slices through the wildest and northernmost portions of Alaska ... version of this article misidentified the type of trees found around the Yukon River Camp.

Alaska is known for its vast wilderness, home to the most isolated place in the U.S. and America's least-visited national park. Somewhere in these virtually uncharted regions is also the world's ...