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Exploring Gateway Arch
About the Arch
Built in the form of a weighted, catenary arch and clad in stainless steel, Gateway is the tallest such structure in the world.
Gateway Arch is as tall as it is wide
Its two legs were built separately. Had their measurements been off by as little as 1/64th of an inch, they would not have joined at the top.
About The
LOCATION
St. Louis, on the Mississippi River’s west bank
ESTABLISHED
February 22, 2018
AREA
The Secret Service forbids all presidents from ascending the arch due to safety concerns about the right, enclosed space. The only exception? Dwight D. Eisenhower, who signed the order for its construction in 1954. (Photo: Public Domain)
91 acres
National Parks Of
