Trump International Hotel and Tower (Chicago) top the building with an ornamental spire instead of communications dishes. These dishes, according to the Council on Tall Buildings and Urban Habitat, would not have counted toward the building's height. The spire, however, will count, raising the tower's height to . At one point in 2005, Trump aspired to build a slightly taller building that would surpass the Sears Tower as the nation's tallest building, but Chicago Mayor Richard M. Daley was against the plan. Eventually, Smith settled on a design with a height of , which was the height of 2 World Trade Center, the shorter of the
Willis Tower unfinished World Trade Center to become the world's tallest building. The height was restricted by a limit imposed by the Federal Aviation Administration (FAA) to protect air traffic. The financing of the tower was provided by the Sears company. It was topped with two antennas to permit local television and radio broadcasts. Sears and the City of Chicago approved the design, and the first steel was put in place in April 1971. The structure was completed in May 1973. The construction cost about US$150 million at the time, equivalent to $ million in 2019. By comparison, Taipei 101, built in