This is an interesting spin on Monopoly, IMHO.  It's an online game that went live yesterday (free to play!).  Like Monopoly, you buy streets & build condos and the like to generate more money.  However, it's linked to Google Streetmaps, so the streets you "buy" are real streets all across the world...you simply enter an address you want, the Google map takes you there, then you can opt to "buy" various streets in that area.  As with most new online games of this magnitude, curiosity is high and thus the servers are very sluggish right now (in fact, it took me over 4 hours just to buy my first street yesterday!).  If anyone is interested, the website is (shockingly!): http://www.monopolycitystreets.com/.

As a side note, you can also add friends to your list so you can track their progress and compete against them.  Fun idea!