The surprising history of the spectacular Gateway Arch in St. Louis, the competing agendas of its supporters, and the mixed results of their ambitious plan Rising to a triumphant height of 630 feet, the Gateway Arch in St. Louis is a revered monument to America's western expansion. Envisioned in 1947 but not completed until the mid-1960s, the arch today attracts millions of tourists annually and is one of the world's most widely recognized...