Okay, so those of you who have Google earth would have *probably* heard of the flight simulator easter egg. If not, load Google Earth and do Control+Alt+A (Mac users, <weird clover leaf thing>+ALT+A).
Now once you've tried the easter egg, you may want to do some exploring, and I've found the following. Copy and paste these into the Fly To box, I must warn you, some of these are a little NSFW.
45° 7'25.87"N 123° 6'48.97"W
53°32'18.35"N 1°20'44.17"W (you may have to zoom in a bit)
These have mysteriously been removed (which is why I can't find the coordinates).
Barrowden, UK #1
Barrowden, UK #2
Nauen, Germany (this one was lost with an image update)
If you find anything else interesting, tell us the coordinates!
EDIT: I thought I'd throw this in, too. 37°14'5.93"N, 115°48'30.07"W