Find Your Latitude & Longitude
Google Maps ( find your location, then click on "Link to this page" and find the coordinates in the URL): http://maps.google.com
Coordinates of places all around the world, with exact maps for USA, Canada and most of Europe: http://www.multimap.com/ (put in your address for accuracy!)
Getty Thesaurus of Geographic Names: http://www.getty.edu/research/tools/vocabulary/tgn/
Good starting point: http://www.ckdhr.com/dns-loc/finding.html
GPS locations for airports: http://www.airnav.com/
By zip code (US only): http://www.geocode.com/modules.php?name=TestDrive_Eagle
Australian database: http://www.ga.gov.au/map/names/
Canadian database: http://geonames.nrcan.gc.ca/search/search_e.php
Get your coordinates and horoscope too: http://www.astro.com/cgi/aq.cgi?lang=e
another site which shows coordinates bottom left: http://www.maporama.com/share/
Find coordinates of place names in New Zealand: http://www.linz.govt.nz/rcs/linz/pub/web/root/core/Placenames/SearchPlaceNames/searchplacenames/index.jsp