Life in Elizabethan England: A Compendium of Common Knowledge, 1558-1603
  An award-winning site covering nearly all things Elizabethan.

Shakespeare Resource Center
   An awesome site rich with information about Shakespeare and his drama and theatre.  Many, many links to other authoritative sources.

Mr. William Shakespeare and the Internet
   A wonderful site devoted to all things Shakespeare.  Lots and lots of links.  Most links include descriptions.

Renaissance: What Inspired This Age of Balance and Order
   This excellent site is devoted to the Renaissance and is sponsored by the Annenberg Foundation to "advance excellent teaching in American schools." (from the home page)