Use Google Earth to:
• Study natural and political maps.
• Learn map reading and navigation.
• Visually explore historical, news, and census data.
• Promote global and environmental awareness
Alliance for Climate Education: http://www.acespace.org/teachers
Canadian Network for Environmental Education and Communication:http://eecom.org
Joffre Lake, B.C., available under a Public Domain CC0 license.
"The David Rumsey Map Collection was started over 30 years ago and contains more than 150,000 maps. The collection focuses on rare 16th through 21st century maps of North and South America, as well as maps of the World, Asia, Africa, Europe, and Oceania. The collection includes atlases, wall maps, globes, school geographies, pocket maps, books of exploration, maritime charts, and a variety of cartographic materials including pocket, wall, children's, and manuscript maps. Items range in date from about 1550 to the present." website
The PJ Mode Collection (Cornell University)
Persuasive Cartography 
"This is a collection of “persuasive” cartography: more than 800 maps intended primarily to influence opinions or beliefs - to send a message - rather than to communicate geographic information." Fulsome metadata.