This is a cropped image taken from the the London Bridge walkway in Lake Havasu City, Arizona. Don't you hate it when you don't think of shooting a pano sequence when the opportunity is right there staring you in the face?
A picture of the London Bridge itself can be found at the following URL:
http://www.pbase.com/image/60120058/original
Simply copy and paste the URL into your browser's address bar and click on "Go".