Cemetery Records Online (http://www.interment.net/)
This site contains the burial records and tombstone inscriptions of more than 1,600 cemeteries in US, Canada, Australia, and European countries. The site encourages visitors to contribute material: you can add photos, links, or a summary of a local cemetery.

Cyndi's List  (http://www.cyndislist.com)
Produced by Cyndi Howell, this amazing site contains over 190,000 organized genealogy links in over 150 categories, with approximately 2,000 links added each month. 

Family Search  (http://www.familysearch.org)
Released by the Family History Department of the Church of Jesus Christ of  Latter-Day Saints, a set of databases present here include Ancestral File, the International Genealogy Index, and the Family History Library Catalog (searchable by surname or locality). 

Find A Grave  (http://www.findagrave.com)
This site lets you search by name and/or area to find famous and very not-so-famous gravesites. Although there are lots of holes here (no pun intended), you may find some useful information when searching for genealogical info. 

Genealogy Gateway  (http://www.gengateway.com)
Maintains a large collection of links to pages with searchable databases and also genealogical search engine links. 

RootsWeb  (http://www.rootsweb.com)
Oldest genealogy site on the Internet, several specific search engines for genealogy locate information in the RootsWeb surname list, the archives of over 16,000 other genealogy-related mailing lists hosted by RootsWeb, and the archives for Roots-L, the original mailing list for genealogy. 

SurnameWeb (http://www.surnameweb.org/)
You can access millions of surname records and genealogy links from this site. In addition to the search engines and interactive features, you will find a dynamic online journal CyberRoots.

USGenWeb  (http://www.usgenweb.org)
Includes information searchable by county, census, and tombstone transcriptions.