I built this in the spirit of the Sears Tower. It is not accurate, but it is pretty close.

This was created in Second Life.

http://www.jorymartin.com/images/searstowerv2_002.gif

http://www.jorymartin.com/images/searstowerv2_001.gif

I also created a Space Needle type observation tower:

http://www.jorymartin.com/images/minna_needle_1.jpg

Nice job

space needle looks loike some thing out of war craft