http://www.flightview.com/ - to track flights
Currency Converter - any currencies.
Equivalents Conversions - US to metric measurements,
International Telephoning - this gives country dialing codes worldwide. From North America dial 011 first.
US State Department - to apply for passport, visas - this site has very useful information, and application methods.
Time and Date in cities throughout the world.
Translate - http://translate.google.com/ - just type a sentence into the box, specify the language and it will be translated.
http://www.worldweather.org/ World Meteorological Association