Weather For Active Lives:
http://www.intellicast.com/

Geography lessons - the CIA World Factbook:
http://www.cia.gov/cia/publications/factbook/

The Internet Movie Database:
http://www.imdb.com/

The official U.S. time (might not be official outside US):
http://www.time.gov/

German/English dictionaries and more:
http://www.leo.org/
http://dict.tu-chemnitz.de/

Peacefull Classifieds:
http://www.craigslist.org/

IC Identification:
http://www.xs4all.nl/~ganswijk/chipdir/

Help with colorchoices in web design:
http://www.colors4webmasters.com/
safecolor/index.htm

... or with html syntax (mostly German site):
http://www.selfhtml.org/

Three photography sites of choice:
http://www.largeformatphotography.info/
http://www.photo.net/
http://www.dpreview.com/

Data about US cities:
http://www.city-data.com/

Wikipedia knows everything:
http://www.wikipedia.org/

For all your security needs:
http://www.backfire.dk/EMPIRENORTH/newsite/

An explanation for what happened to you recently:
http://www.improveverywhere.com/

Images from above:
http://www.terraserver-usa.com/
http://maps.google.com/
http://moon.google.com/
http://earth.google.com/

The real X-files:
Unidentified Aerial Phenomena in the UK Air Defence Region
http://www.cnes-geipan.fr/