Provides directions, interactive maps, and satellite/aerial imagery of the United States. Can also search by keyword such as type of business. http://maps.google.com/
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/
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/
A collection of maps, schematics, and information about human-environment interactions, directed at the education community. http://www.sage.wisc.edu/atlas/
Top-level categories include cities and towns, cultural, landscapes, conservation and environment, military battles and campaigns, discovery and exploration, transportation and communication. Searchable by keyword, location, creator, subject, and title. http://memory.loc.gov/ammem/gmdhtml/
