| Name | Name:Willis Tower (Formerly Sears Tower) | Name:One World Trade Center | 
| Height | Height:442 m, (1,450 ft) | Height:541 m, (1,776 ft) | 
| Location | Location:Chicago, United States | Location:New York City, United States | 
| Year Constructed | Year Constructed:1973 | Year Constructed:2013 | 
| Description | Description: | Description: | 
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