A hike through miles of abandoned train tunnels along the Donner Pass near Lake Tahoe is like visiting a graffiti art gallery, but some say it defaces history.

The next phase of the rehabilitation project for the northbound and southbound Knik River bridges is officially underway, ...

This data set consists of a geo-referenced digital map and attribute data derived from the publication 'Permafrost map of Alaska'. The map is presented at a scale of 1 to 2,500,000 and shows the ...

Mount Spurr, which scientists say is likely to erupt in the coming weeks or months, is about 80 miles west of Anchorage. But ...