For those of you who haven't tried Google Earth out, do so now! It was recently released for Mac OS X , so I finally got to download it and
play with it for hours educate my children about the "hole wide wurld".
You need a broadband connection, and a decently fast computer. My dual G4 w/1.25 Gigs RAM and a cable modem runs it fairly smoothly. If you can get familiar with navigating via the keyboard (experienced first person shooters shouldn't have any trouble), flying around over your neighborhood is an amazing experience. Try sinking down to almost ground level and tilting the earth flat so you can see the topology. Here's our house:
Next stop, Turin Italy!