Take a virtual walk down Hawthorne, via amazon.com

Starting, for example, at In Other Words...
http://www.amazon.com/gp/yp/B0004QJS9Y/102-1670275-5540100

Just point your mouse at the thumbnails below the image to walk up and down the block.

The same kind of information is available for business streets all over town, for 15 cities so far. Here's information on the project and how they did it:
http://yp.a9.com/-/company/YellowPages.jsp

Found via Wohba! (http://wohba.com/)