Skyscrapers in the United States

Willis Tower, formerly named Sears Tower, is a 108-story, 1451-foot (442 m) skyscraper in Chicago, Illinois. At the time of its completion in 1974, it was the tallest building in the world, surpassing the World Trade Center towers in New York. Currently, Willis Tower is the tallest building in the United States and the fifth-tallest freestanding structure in the world as well as the fifth tallest building in the world to the roof.

One Atlantic Center, also known as IBM Tower, is a skyscraper located in Midtown Atlanta. It is the third-tallest in Atlanta, reaching a height of 820 feet (250 m) with 50 stories of office space. It was completed in 1987 and remained the tallest building in Atlanta until 1992, when it was surpassed by the Bank of America Plaza, which was also built in Midtown. It was also the tallest building in the southeastern U.S. at the time of completion, surpassing the Wachovia Financial Center in Miami.

The Atlanta Marriott Marquis is a Marriott hotel and the 14th tallest skyscraper in Atlanta, Georgia, United States. Designed by Atlanta architect John Portman, It is probably one of the most well-recognized buildings in the city. Because of its noticeable bulging base, it is often referred to as the "pregnant building". Construction was completed on the building in 1985. One of the defining features of the Marriott Marquis is its large atrium.