Answer:
1. Willis Tower (Chicago)
2. Empire State Building (New York City)
3. Bank of America Tower (New York City)
1. Willis Tower in Chicago
2. Trump International Hotel and Tower in Chicago
3. Empire State Building in New York City
4. Bank Of America Tower in New York City
5. Aon Center in Chicago
6. John Hancock Center in Chicago
7. Chrysler Building in New York City
8. New York Times Building in New York City
9. Bank Of America Plaza in Atlanta
and the 10th...U.S. Bank Tower in Los Angeles.
Number 1: Sears Tower
The Sears Tower, at 233 South Wacker Drive in Chicago, has been the tallest building in the U.S. Since 1974 at 1,451 feet. It is also known as the fifth tallest building in the world with sixteen double decker elevators. Architecture, Bruce Graham and structural engineer, Fazlur Khan were commissioned by Sears, Roebuck and company to build the tower witn construction beginning in August of 1970. The black bands that appear, at intervals, around the building are louvers, frames with slats, to cover belt trusses.
Number 2: Empire State Building
At a 102 floors, the Empire State Building was the first building to be built with over 100 floors. The art deco building sits at a stately 1,250 feet at the intersection of Fifth Avenue and West 34th Street in New York City. It lost it's title of the tallest building in New York after the twin towers of the World Trade Center were built and once again took the title after their demise. Given it's name from the states nickname, it was also called one of the Seven Wonders of the Modern World by the American Society of Civil Engineers. It also holds the title of designated landmark by New York City Landmarks Preservation Commission. Owned and managed by W&H Properties, it is considered America's number one favorite architecture.
Number 3: Bank of America Tower
Rated as the thirteenth tallest building in the world, located at 6th Avenue and West 42nd Street, although some construction is continuing, it stands topped out at 1,200 feet. The architectural spire is 1200 feet, alone. In December 2007, when the spire was placed, the tower became the second tallest building of New York, the Empire State Building being first. The structure was designed to be environmentally friendly with floor-to-ceiling insulated glass to get the best of natural light and contain heat. It incorporates a greywater system, recycling rain water and they have made the structure with recycled and recyclable materials where ever possible.