"Which construction, designed by Finnish-American architect Eero Saarinen and structural engineer Hannskarl Bandel in 1947, that stands 630 feet (192 m) tall and is 630 feet (192 m) wide at its base, is called ""the tallest monument in the USA""?"
The Gateway Arch, in St. Louis, Missouri,
gateway arch in st louis missouri
gateway arch in st louis missouri
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The Gateway Arch, in St. Louis, Missouri,