Other
Canal Kids: Mundo (Natural & Historical World Wonders)
The "Mundo" area of Canal Kids highlights forty of the world's natural and historical wonders. Pick a location from the drop-down menu and get background information on the Parthenon, Mount Fuji, the Grand Canyon, the Great Wall of...
NASA
Nasa: Rhine River; France, Germany
This site contains a spaceborne radar image of the important european river and includes related information.