General

• Newsmap
• Newseum
• Scout Report
• Houston Chronicle Interactive
• Information Please almanac
• Digital Librarian
• Librarians' Internet Index
• High School Ace
• FAS Project on Govt. Secrecy
• OneLook Reverse Dictionary
• Visual Dictionary
• Newseum's Today's Front Pages
• IHateTaxis (ground transport info)

• LearningScience.org (printable rules & graph paper)
• Mad Scientist Network
• Periodic Table • Animated Periodic Table
• USDA Food Composition tables
• Merck Manual
• Medline Plus
• NatureServe (biodiversity info)
• Tree of Life
• Mayo Clinic First Aid Guide
• Avibase; world bird database
• Map-A-Planet
• Our Earth as Art
• Project Tuva (Feynmann lecture videos)
• Food Timeline
• SnowCrystals.com
• Weatherbonk • Weather.com
• Science and Engineering Encyclopedia
• Tastespotting

• Ixquick Search Engine
• Open Directory (Portal)
• Google Search & Directory
• Big Search Engine Index
• Cnet Technology Help Page
• Sign Generator
• Living Internet (news and history)
• WolframAlpha (new search engine)

Things to Listen To

• Diane Rehm
• On Point
• Only a Game
• Gameday Audio
• Tolkien Professor

• Leo (von der Technische Universität München) Deutsch/English Wörterbuch
• Woxikon (translator/thesaurus)
• iLoveLanguages
• Lexilogos
• Web Compjugador (Spanish verb conjugations)
• Merriam-Webster Dictionary and Thesaurus
• Wordnet (dictionary, thesaurus and more; great for crossword puzzles)
• Flags of the World
• Nationmaster
• Mappy.com
• Roadside America • COTrip
• Odden's Bookmarks (Maps and Mapping)

Literature/Culture

• Lists of Bests
• Brewer's Dictionary
• One Ring: Complete Guide to Tolkien Online
• Encyclopedia of Arda
• Memory Alpha (Star Trek encyclopedia)
• Bartleby
• EPLists (TV show plot summaries)
• Best of History Websites
• History Channel: This Day in History
• Nostalgia Central
• Oxymorons.info
• Encyclopedia of World History
• Roger Ebert's movie reviews
• Internet Movie Database
• Mieks Fabergé Eggs (facts & games)

• Smithsonian Sports exhibit
  
• Fourth & Fifty (Houston sports)
• Steve Kerr's NBA columns archive
• Spurs Report.com
• Spurszone.com
  

Humor

• The Onion
• Newsbiscuit
• xkcd.com