A half-century ago Alaska was abuzz with pipeline activity. The Yukon River bridge was being constructed, and a seemingly endless line of big trucks carrying even bigger loads was constantly making ...

Flooding cut off part of the Dalton Highway for much of Tuesday after heavy rain hammered the northern Interior early this week. The highway connects the North Slope to the rest of the state. By ...

A hiker looks down on the Dalton Highway and the trans-Alaska pipeline from the top of Sukakpak Mountain in 2014. The Dalton Highway corridor is the in the Central Yukon Resource Management Plan area.

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 ...