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The Willis Tower.

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Q: Chicago Sears Tower was built in 1973 and it is the nation's tallest building what is the new name?
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Related questions

What is the nations tallest building?

If you mean the United States, it is the Sears Tower in Chicago, IL, at 1,451 feet.


What is the tallest building in Illinois outside of Chicago?

Willis Tower, aka Sears Tower, stands at 1730 feet and is not just the tallest building in Chicago, but the tallest building in North America. It is currently the fifth tallest building in the world, as well as the fifth tallest free-standing structure in the world.


Which state has the tallest building in the US?

Illinois does. The Willis Tower (aka Sears Tower) in Chicago, Illinois is currently the tallest building in the U.S.Chicago- Sears tower


What is the tallest building in North?

The Sears Tower in Chicago, Illinois is 1,451 ft. It has been the tallest building in North America since 1974.The tallest building in North America is the Sears Tower in Chicago. The CN Tower is taller but, that is known as a "free standing structure".


Where is the tallest building in the US located?

The tallest building in the US is the Willis Tower, Chicago IL


What is the tallest building in North America?

The Sears Tower in Chicago, Illinois is 1,451 ft. It has been the tallest building in North America since 1974.The tallest building in North America is the Sears Tower in Chicago. The CN Tower is taller but, that is known as a "free standing structure".


What company built the world's tallest building in Chicago in the 1970s only to move out of it in the 1970s?

The Sears Tower became the world's tallest building


What is the second tallest building in Chicago?

Chicago's Willis Tower (formerly Sears Tower)


What is the tallest building in the Midwestern U.S.?

Willis Tower, aka Sears Tower, stands at 1730 feet and is not just the tallest building in Chicago, but the tallest building in North America. It is currently the fifth tallest building in the world, as well as the fifth tallest free-standing structure in the world.


What is the tallest office building in the North America?

Willis Tower (Formerly known as sears tower) , Chicago.


What is the tallest building east of the Mississippi river?

One World Trade Tower is the tallest building on the East Coast.


What is the tallest building in the US?

The tallest building in the US is the Willis Tower, formerly called Sears Tower, in Chicago, Illinois. It has a height of 442 meters (1,451 ft ) and includes 108 floors. Two television antennas were added to the building in 1982, which increased the total height of the building to 520 meters (1,705 ft).