John Hancock Center at 875 North Michigan Avenue

Michigan Avenue (Chicago)

Michigan Avenue is a major north-south street in Chicago which runs at 100 east south of the Chicago River and at 132 East north of the river from 12628 south to 950 north in the Chicago street address system...

 in the Streeterville

Streeterville

Streeterville is a neighborhood in the Near North Side community area of Chicago, Illinois, United States, north of the Chicago River in Cook County...

 area of Chicago

Chicago

Chicago is the largest city in the US state of Illinois. With nearly 2.7 million residents, it is the most populous city in the Midwestern United States and the third most populous in the US, after New York City and Los Angeles...

, Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

, is a 100-story

Storey

A storey or story is any level part of a building that could be used by people...

, 1,127-foot (344 m) tall skyscraper

Skyscraper

A skyscraper is a tall, continuously habitable building of many stories, often designed for office and commercial use. There is no official definition or height above which a building may be classified as a skyscraper...

, constructed under the supervision of Skidmore, Owings and Merrill

Skidmore, Owings and Merrill

Skidmore, Owings and Merrill LLP is an American architectural and engineering firm that was formed in Chicago in 1936 by Louis Skidmore and Nathaniel Owings; in 1939 they were joined by John O. Merrill. They opened their first branch in New York City, New York in 1937. SOM is one of the largest...

, with chief designer Bruce Graham

Bruce Graham

Bruce John Graham was an Colombian-American architect. Among his most notable buildings are the Inland Steel Building, the Willis Tower , and the John Hancock Center. He worked with Fazlur Khan on all three constructions...

 and structural engineer Fazlur Khan

Fazlur Khan

Fazlur Rahman Khan was a Bangladeshi born architect and structural engineer. He is a central figure behind the "Second Chicago School" of architecture, and is regarded as the "Father of tubular design for high-rises"...

. When the building topped out on May 6, 1968, it was the tallest building in the world outside New York City

New York City

New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

. It is currently the fourth-tallest building in Chicago and the sixth-tallest in the United States, after the Willis Tower, the Empire State Building

Empire State Building

The Empire State Building is a 102-story landmark skyscraper and American cultural icon in New York City at the intersection of Fifth Avenue and West 34th Street. It has a roof height of 1,250 feet , and with its antenna spire included, it stands a total of 1,454 ft high. Its name is derived...

, the Bank of America Tower

Bank of America Tower, New York City

Bank of America Tower at One Bryant Park is a skyscraper in the Midtown district of Manhattan in New York City, in the United States. It is located on Sixth Avenue, between 42nd and 43rd Street, opposite Bryant Park....

, the Trump Tower Chicago

Trump International Hotel and Tower (Chicago)

The Trump International Hotel and Tower, also known as Trump Tower Chicago and locally as the Trump Tower, is a skyscraper condo-hotel in downtown Chicago, Illinois. The building, named after real estate developer Donald Trump, was designed by architect Adrian Smith of Skidmore, Owings and Merrill...

, and the Aon Center

Aon Center (Chicago)

The Aon Center is a modern skyscraper in the Chicago Loop, Chicago, Illinois, United States, designed by architect firms Edward Durell Stone and The Perkins and Will partnership, and completed in 1973 as the Standard Oil Building...

.