The yuckiest site on the Internet http://www.yucky.com
A great clustering search engine. It makes things so much easier when you are searching. http://www.clusty.com
Information on the major River Systems of the World http://www.rev.net/~aloe/river/
Information on the Principal Rivers of the World http://ph.infoplease.com/ipa/A0001779.html
Website to find the population of most cities in the world (as of 1998) http://www.citypopulation.de/