This KML network link displays a map overlay for Google Maps Terrain (http://maps.google.com/?t=p) in Google Earth.
For some information on how it works, please see the 
To get started, simply download 
google-maps-terrain-overlay-for-google-earth.kmz (please log in first, see here why) and open it in Google Earth. Or checkout
Do you have comments, bug reports, or suggestions for other map sources? Please leave them below.
Humor Challenged (2013-01-11 06:46:52):
The screen goes black when terrain is enabled. Only roads are displayed.
kris (2013-01-17 03:26:10):
terrain layer screen still shows in black, any workaround for this?
Prakash Narayanan (2013-01-17 14:41:03):
Did google just block this off or something? I'm getting a black background too.
visionplace (2013-06-08 03:19:03):
I am unable to get this to work. All I see is black.
Martin Loetzsch (2013-10-11 18:08:40):
Works again.
Francis Mitchell (2013-10-13 19:45:30):
It works again. Thanks.
Jay (2014-04-07 13:29:07):
Hello, I want to embed the Google Maps Imagery Tiles within a browser
view using the Google Earth Plug-in with the Google Earth API v3. I
need to know the method you are using to access the tiles with a URL
pointed to a Google Maps source. How do I do this?
brian McCandless (2015-11-28 22:00:33):
Can I see a map of Canada and its terrain