MapQuest  
   Find directions for and explore towns and cities worldwide. Display addresses on a map, view nearby businesses, get driving directions and maps, and plan a trip with city information. Also includes aerial photographs of selected areas.
   http://www.mapquest.com/

Atlapedia Online  
   Contains full color physical and political maps as well as key facts and statistics on countries of the world.
   http://www.atlapedia.com/

Rand McNally  
   Online maps, driving directions, and travel store.
   http://www.randmcnally.com/

Multimap  
   Global mapping service including street maps of Europe, North America and Australia.
   http://www.multimap.com/

TerraFly  
   Searchable aerial views of cities and towns in the United States.
   http://www.terrafly.com/

Expedia Maps  
   Offers searchable listing in the United States and Europe by address and driving directions.
   http://maps.expedia.com/

United Nations: Cartographic Section  
   General country and special issues maps.
   http://www.un.org/Depts/Cartographic/english/htmain.htm

Cornell's Digital Earth  
   Use this interactive atlas to create maps displaying land, oceans, borders, roads, lakes, rivers, roads, railroads, faults, mines, seismic, and other geological, geographical, and geophysical data.
   http://atlas.geo.cornell.edu/webmap/

Atlas of the Biosphere  
   A collection of maps, schematics, and information about human-environment interactions, directed at the education community.
   http://www.sage.wisc.edu/atlas/

Maps of World  
   Online maps showing countries of the world and continents. Too wide for smaller monitors.
   http://www.mapsofworld.com/

TerraServer  
   View maps and aerial photos of various parts of the Earth.
   http://terraserver.microsoft.com/

CIA World Factbook - Reference Maps  
   Various maps of the world in both jpeg and pdf format that are updated annually.
   http://www.cia.gov/cia/publications/factbook/docs/refmaps.html

Great Circle Mapper  
   Shows great circle path between specified points on the globe with an aviation focus.
   http://gc.kls2.com/

Readmap Project  
   Online maps collection with political and economical overview of each country.
   http://www.readmap.com/

Google Maps  
   Provides directions and interactive maps of the United States. Can also search by keyword such as type of business.
   http://maps.google.com/