Other than Pearl Harbour / By what means did Continental North America (Canada,U.S.A) get infringed upon, meaning attacked by manned or un-manned craft, espionage , borders penetrated including inland waterways and reconoitered.

Not sure about the US, but in Canada/Newfoundland, there was the Battle of the St. Lawrence, two landings of Abwehr agents in New Brunswick and Québec (both of which were successful, but one changed his mind and the other was arrested), and one U-Boat crew managed to set up a weather station in Norther Labrador.

http://en.wikipedia.org/wiki/Attacks...g_World_War_II

There was also the Japenese incendieries balloons .
http://en.wikipedia.org/wiki/Fire_balloon