Thematic Photographic #58 Odd

While visiting Cedar Mall, located in Rice Lake, Wisconsin, I noticed this rust stain. I was fascinated that it looked like five(5) skyscrapers or like Stonehenge. Notice the circle and the ledge. I thought, this is pretty odd. What do you think it looks like?

If you would like to post a image that is odd on blogspot click here: http://writteninc.blogspot.com/2009/07/thematic-photographic-58-odd.html.
Thank you Carmi for being the host.