Tallinn
A couple of possibilities here:
http://www.tourism.tallinn.ee/
http://www.tourism.tallinn.ee/fpage/travelplanning/touristinformation
http://www.balticsww.com/tourist/estonia/
http://www.tourism.tallinn.ee/fpage/tallinncard
also:
Rick Steve's walking tour
and
http://www.frommers.com/destinations/tallinn/
http://www.tallinn.com/cmarter.asp?doc=725
http://guides.travelchannel.com/tallinn