BLOCK: The arch symbolizes the city's status as a gateway to the West. It stands on the banks of the Mississippi river, rising 630 feet above the ground. It's also 630 feet wide at its base.

Half a century later, St. Louis’ Gateway Arch emerges with a new name and a skeptical view of western expansion. July 15, 2018 at 2:10 a.m.

On July 24 1967, nearly two years after completion of the Gateway Arch construction, ... An aerial view of the cleared riverfront and downtown in 1961, before construction began on the Arch.