If you're looking for an alternative or supplement to Google, the following is a comprehensive collection of links to the most popular search engines on the Internet.
AOL Search: http://search.aol.com
Alta Vista: http://www.altavista.com
Alltheweb: http://www.alltheweb.com
Ask: http://www.ask.com
Direct Hit: http://www.directhit.com
Excite: http://www.excite.com
GigaBlast: http://www.gigablast.com
Google: http://www.google.com
Goto: http://www.goto.com
Hotbot: http://hotbot.lycos.com
Looksmart: http://www.looksmart.com
Lycos: http://www.lycos.com
MSN: http://search.msn.com
Netscape: http://home.netscape.com
Snap: http://www.snap.com
WebCrawler: http://www.webcrawler.com
Yahoo: http://www.yahoo.com