From "Time - Europe" Illuminating the Web
A good commentary on the web's contents and searching it.
http://www.time.com/time/europe/biz/magazine/0,9868,166169,00.html
Here are their links from the bootom of the story:

On the invisible web you can ...
Look at the earth from space ... earth.jsc.nasa.gov (375,000 images)
See where and how we live on it ... www.worldpop.org/prbdata.htm (85 demographic variables for 221 countries)
Dive into its waters ... www.ilec.or.jp/database/search.html (Database on 500 lakes worldwide)
Learn about the fish that swim in them ... www.fishbase.org (Detail and resources on 25,380 species)
And how to cook them www.recipesource.com (70,000 recipes from around the world)
Pretend to plan your next business trip ... www.tscentral.com (15,000 exhibitions and trade shows globally )
Pick an airline ... www.waasinfo.net (World Aircraft Accident Summary)
Check the weather ... www.weatherbase.com (in 434 world cities)
Watch Wimbledon instead ... www.itftennis.com (Pro tennis results and rankings since 1977)
And relax www.sleephomepages.org