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...

Finished in 1785, the Deanston Cotton Mill in Pirthshire, Scotland was built alongside the River Teith to harness the river's power. Before modern automation, child labor laws and safety regulations, in its early years very young children worked at the factory ......