Just saw this one on Slashdot:

Check out step 23: 

http://maps.google.com/maps?f=d&hl=en&saddr=new+york,+ny&daddr=paris,+france&layer=&sll=42.341671,-71.028757&sspn=22.326413,40.078125&ie=UTF8&z=4&om=1