The Stroget, Copenhagen, Denmark - perhaps the longest walking street in the world ? Visiting Copenhagen you must take a stroll from one end to the other. But do mind the many shopping and dining temptations you will see on your way. They can make a serious dent in your wallet if you aren't cautious.
Abbey Road, London. Again...I was so excited. Granted it was raining and the studio was covered in a blue tarp for remodeling. Oh and I forgot my sharpie to write on the wall. :[ But I did walk across.