Pennsylvania Was Once Home To the Eighth Wonder Of the World
When it was first built in 1882, the Kinzua Viaduct was heralded as the eighth wonder of the world because at the time, it was the tallest railroad bridge in the world. The 339-acre Kinzua Bridge State Park, located in McKean County, Pennsylvania is the home of the reinvented Kinzua Viaduct. The... Sign in to see full entry.