The Flatiron
Building, originally the Fuller Building,
is a triangular 22-story steel-framed landmarked
building located at 175Fifth Avenue in the borough of Manhattan, New
York City, and is considered to be a groundbreaking skyscraper. Upon completion in 1902, it was one of the tallest
buildings in the city at 20 floors high and one of only two skyscrapers
north of 14th
Street – the other being the Metropolitan
Life Insurance Company Tower, one block east. Source