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World Atlas is an educational resource for world maps, atlases, and in-depth geography information. Teachers and students: free maps of Europe, USA, Canada, Florida, Caribbean Islands and much more. Worldatlas.com

Atlapedia Online contains full color physical maps, political maps as well as key facts and statistics on countries of the world

Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. Infoplease.com contains facts on all subjects including sports, entertainment, techno...

Browse through National Geographic maps online in our print map collection and Atlas Explorer, explore your world with MapMachine, and enjoy map-based editorial features like EarthPulse.

Free educational software for alphabet, phonics, letter sounds and learning to read. Free online maps and map puzzles: maps of U.S., Europe, Asia, Africa, South America, Australia, Middle East, Caribbean and more.

Fact Monster is a free reference site for students, teachers, and parents. Get homework help and find facts on thousands of subjects, including sports, entertainment, geography, history, biography, education, and health.

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

World Sites Atlas features maps of world regions, countries, states, and cities, plus hotels, destination guides, facts, links, photos, and more.

CDC Centers for Disease Control and Prevention - Your Online Source for Credible Health Information

University of Iowa, Department of Ophthalmology and Visual Sciences