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Gateway Arch (1965-68, Eero Saarinen), St. Louis, Missouri, as seen from Mississippi River. Photo by Buphoff (CC BY-SA 3.0). |
Streamlined in a space-age sheen of stainless steel, the Gateway Arch in St. Louis springs 630 feet high and wide across the Jefferson National Expansion Memorial Park in a seamlessly soaring hyperbolic arc, calling to mind the path of Superman leaping tall buildings in a single bound or a model rocket launching, leaping and landing in one fell swoop.

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Tram car photo (left): Robert Lawton (CC BY-SA 2.5). Deck photo: Daniel Schwen (CC BY-SA 4.0). |
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Photo by Kelly Martin (CC BY-SA 3.0). |
St. Louis City and County to the west...
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Photo courtesy of STL Family Attractions Card. |
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Photo by Paul McDonald (CC BY-SA 4.0). |
Comprising a pair of identical equilateral triangular legs tapering from 54 to 17 feet per side as they rise and meet at the top, this mathematical masterpiece was designed in 1947 by Finnish-American architect Eero Saarinen and structural engineer Haanskarl Bandel as a memorial to the Westward Expansion of the United States, as initiated by President Thomas Jefferson's 1803 Louisiana Purchase from France, St. Louis's resulting establishment as America's first civil government seat west of the Mississippi, and Lewis & Clark's 1804 expedition to the mouth of the Columbia River on the Pacific Ocean.
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Photo by Becherka, courtesy of Wikimedia Commons |
The Gateway Arch is Missouri's tallest publicly accessible structure and the nation's tallest commemorative monument, surpassing Texas' 570-foot San Jacinto Monument by 60 feet and Washington D.C.'s 555-foot Washington Monument by 75 feet.
Thus the Gateway Arch has become St. Louis's signature iconic image, earning a central appearance on the reverse of Missouri's state quarter in 2003.
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