Atlapedia Online - Contains full color physical and political maps as well as key facts and statistics on countries of the world.
Multimap - Global mapping service including street maps of Europe, North America and Australia.
TerraFly - Searchable aerial views of cities and towns in the United States.
United Nations: Cartographic Section - General country and special issues maps.
Atlas of the Biosphere - A collection of maps, schematics, and information about human-environment interactions, directed at the education community.
Maps of World - Online maps showing countries of the world and continents. Too wide for smaller monitors.
TerraServer - View maps and aerial photos of various parts of the Earth.
Great Circle Mapper - Shows great circle path between specified points on the globe with an aviation focus.
Readmap Project - Online maps collection with political and economical overview of each country.
Google Maps - Provides directions, interactive maps, and satellite/aerial imagery of the United States. Can also search by keyword such as type of business.
Expedia Maps - Offers searchable listing in the United States and Europe by address and driving directions.
United States Library of Congress Map Collections - 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.
Planet Observer - Displays country and ocean maps, followed by demographic data on each reviewed area.
Map Up - Provides continental, oceanic, and country-specific maps, followed by geopolitical analysis.
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. Requires Java.
ABMaps - Online interactive map of the world, with detailed street atlas for North America.
National Atlas of the United States - U.S. government map portal providing access to many government branches including USGS, Census, U.S. Forest Service, NOAA, National Park Service and others.
Maporama - Generates maps for a desired address or point of interest. Output is also viewable on handheld computers.
Windows Live Local - Combines online mapping and local search, uses a scratch pad to take notes, and allows to search questions around the United States in a geographical context.
Fallingrain Global Gazetteer - Look up countries, cities, and airports and obtain topographic maps, weather data, and selected satellite imagery.
Shaded Relief Map of the World - Interactive global map, including topographic relief, satellite imagery, and political information. Includes place finder.
World Atlas - Get maps and relevant information about every country, every U.S. state and dozens of major American cities.
CIA World Factbook - Reference Maps - Various maps of the world in both jpeg and pdf format that are updated annually.
Worldmapper - A collection of world maps, where territories are re-sized on according to the subject of interest.