google earth- street level imagery now in europe

http://earth.google.com/

Very impressive indeed, it can give you street directions from 2 places
in the Dublin region anyway even though the satellite images are blurry
for both. This is not available in goggle maps last time I checked.

Also the 3d buildings is cool, if you go to Las Vegas on the map, turn
on the 3d buildings layer and tilt it, you can see the shapes of all the
major casinos

Or check out the terrain mapping, find a mountainous region and use the
tilt function.