List of tallest buildings
The international non-profit organization Council on Tall Buildings and Urban Habitat (CTBUH) was formed in 1969 and announces the title of "The World's Tallest Building" and sets the standards by which buildings are measured. It maintains a list of the 100 tallest completed buildings in the world. The organization currently ranks Burj Khalifa in Dubai as the tallest at . The CTBUH only recognizes buildings that are complete however, and some buildings included within the lists in this article are not considered finished by the CTBUH.
Woolworth Building
The Woolworth Building is an early American skyscraper located at 233 Broadway in Manhattan, New York City. Designed by architect Cass Gilbert, it was the tallest building in the world from 1913 to 1930, with a height of . More than a century after its construction, it remains one of the 100 tallest buildings in the United States as well as one of the 30 tallest buildings in New York City.