The Hungarian Oil Refinery requested Google to have their location and buildings removed from the satellite images. Google obliged and rendered the area completely green. Oddly, when you try and find the location using a different map provider, you see pipelines, storage tanks, and production facilities.
5. Huis Ten Bosch, Netherlands
The Huis Ten Bosch Palace, one of three official residences of the Dutch Royal Family, remains heavily pixilated on Google Earth no matter the angle. Why would Google Earth protect the Royal residence? The country produces components that can be used for creating deadly agents, chemical weapons and other kinds of weapons of mass destruction. Could it be the reason? No one has any idea.