Our nation’s first interstate traversed through Maryland, Pennsylvania, West Virginia, Ohio, Indiana, and Illinois. Known by several names, including the "National Road," The Cumberland Road," and the "North-Western Turnpike," it was the United States’ first fully paved highway...

It was the 1843 Copper Rush on Michigan’s Keenesaw Peninsula that the towns of Hancock and Houghton owe their existence. Long known about by Native Americans for millennia, the area possessed rich deposits of copper and silver ores......

The Kittanning Bridge Company was formed in 1838 by an act of the Pennsylvania State Legislature. Its purpose was to construct a bridge across the Allegheny River and connect the towns of Kittanning with West Kittanning PA......