Atlapedia  (Full color physical and political world maps with facts, figures, and statisitics on countries from A to Z.)
Background Notes  (U.S. Dept. of State reports on countries of the world: the land, people, history, government, economy, etc.)
CIA Factbook
Google Maps
Lonely Planet Online  (Travel site overviews of economics, politics, history, maps & attractions for destinations all over the world.)
Maps & Geography of the World  (An alphabetical listing of all countries' maps and flags with links to related sites.)
Mapquest  (An interactive atlas, driving directions, and trip planners.)
OneLook Dictionaries  (Query more than 550 general and specialized dictionaries at once or search by topic.)
U.S. Geological Survey(USGS)  Scientifically classifies U.S. public land with respect to geological structure & mineral resources.)
A Web of On-line Dictionaries   (Links to more than 900 dictionaries in 160 languages.)