New York - Flatiron Building
The Flatiron Building is at the intersection of Fifth Avenue, Broadway, and 23rd Street in Manhattan. It was completed in 1902, and was one of the first skyscrapers with a steel framework. It is 22 stories high, 287 ft (87 m).
There have long been two centers in Manhattan, Lower Manhattan and another business center which has moved steadily north This was probably the center of the business district when the Flatiron Building was built.