By Height:
1. One World Trade Center - New York City - 1,776 feet
2. Willis Tower - Chicago - 1,454 feet
3. Empire State Building - New York City - 1,250 feet
4. Bank of America Plaza - Atlanta - 1,023 feet
5. U.S. Bank Tower - Los Angeles - 1,018 feet
By Floor Area:
1. Boeing Everett Factory - Everett, Washington - 4,723,727 square feet
2. Pentagon - Arlington, Virginia - 3,702,860 square feet
3. General Motors Renaissance Center - Detroit, Michigan - 2,832,000 square feet
4. World Trade Center Oculus - New York City - 2,700,000 square feet
5. McCormick Place - Chicago, Illinois - 2,600,000 square feet
