What Does the Gateway Arch In St. Louis, Missouri Symbolize and When Was the Gateway Arch Built?
The Gateway Arch, which sits on the Mississippi riverfront, was constructed in the early 1960s as a monument to the American pioneers who settled the western frontier. The giant stainless steel arch rises 630 feet (192 m) and is the tallest man-made monument in the United States. Visitors can ride trams through the arch to a vie