United Steelworkers Building (Pittsburgh, Pennsylvania)

USA / Pennsylvania / Pittsburgh / Pittsburgh, Pennsylvania / Boulevard of the Allies, 60
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The 13-story United Steelworkers Building, also known as Five Gateway Center, was originally called the IBM Building. It is notable for its diamond-lattice load-bearing exterior walls, considered innovative and daring in 1961-1963 when the building went up. The structural engineers, John Skilling and Leslie Robertson, later engineered the twin towers of New York's World Trade Center.
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Coordinates:   40°26'21"N   80°0'20"W
This article was last modified 12 years ago