Quick Facts
| City | Chicago |
| Country | United States of America |
| Year | 1988 - 1990 |
| Floors | 65 |
| Height | 292.9 m / 961 ft |
| Surface | 130 064 m² / 1 400 000 ft² |
Realization
| Architect |
Kohn Pedersen Fox Associates |
| Developer |
Lincoln Property Company |
Building Info
| Address | 311 South Wacker Drive |
| Materials |
concrete texas red granite glass |
| Style |
Postmodernism |
Notes
- The world's tallest reinforced concrete office tower at the time of completion.
- The top of the building is a 105-ft-tall (32 m) translucent tall cylinder. It is surrounded by four other, smaller cylinders.