![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxjywB2XWVEz0BlYjXznoj-pdAq1QQ0r3IQPmpzm3w-HWtCigtus0FCzYBBDJd_FIwi-iWWSuZ0maJWr0XyMNiF7F3iWRVkby6HiIi-UzkpxCcL9oXy39MBFR8M2Lo6HH_nxRs7h4azRU/s400/LensImpressions-03-63.jpg)
This is Northwestern Atrium Center /Citicorp Center ...
completed in 1987 ...
designed by the architectural firm Murphy/Jahn ...
This 42 story, 588-foot tall glass-&-steel structure ...
Click on the image for enlarged view ...
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2AqP0X4hmxQ8aPPYzZDCwJI80bIoq4XmKIUNepoA3J3WjdAzGjuwnAesOW3t7VBZUl4hCiso2v7J1Gmn4_c4DCg-NBot_YAsmV4MN3gqG8Ma4812J5QnSo9-1baDcpx9QHKefvSED03k/s400/lensImpressions-04-20.jpg)
The first two floors house a major commuter railroad station serving the north and west suburbs.
- The north and south façades resemble a waterfall with cascading curves of blue glass. The architect used similar forms on the interior of the Chicago Board of Trade Addition.
- The main entrance on Madison is a recessed telescoping archway, a device used by early Chicago architect Louis Sullivan in the Transportation Pavilion at the 1893 World's Fair.
- This is the tallest all-glass building in Chicago.