We tried this technique out last week for, memorizing new words on a foreign language.

The interesting thing (besides that it is working fairly good) was that you don't have to come up with your own familiar places, routes, etc, but a site can do this for you and it would still work. I can show you a new place on streetview with some visual cues and you will still remember the places there.

And it is actually easier to get started, than when you have to do that on your own.