I've been digging through my photo collection, looking for candidates to test the ICE program. Last summer I was in Chicago for Independence Day weekend, and took a bunch of pictures from the observation floor of the Hancock building. This is a composite of seven pictures taken from the three city-facing sides of the building. I'm a bit saddened I didn't have any in a matching zoom level of the lake side, to make a full 360° panorama. According to Microsoft's math this one encompasses a 194° view!
At 12172 pixels wide, this one certainly gives the imgwide tag a sense of purpose
Full image can be viewed
here.