Word2Word
A huge collection of links to online dictionaries.  
www.word2word.com

travlang
Currency exchanges.  www.travlang.com

travlang's Translating Dictionaries
travlang's Translating Dictionaries provide a large number of dictionaries which translate between many different languages!  
dictionaries.travlang.com

Acronym Dictionary

Canadian Gazetteer
A Canadian geographical dictionary.

Merriam-Webster's Dictionary

Roget's Thesaurus

U.S. Gazetteer
A U.S. geographical dictionary.

American Directory Assistance
White and yellow pages and you can search by phone number.

AnyWho
Use AnyWho to find: phone numbers (including toll free), addresses, maps & directions for Business People in the U.S.

Big Foot Directory
Great for e-mail and residential listings.

GTE SuperPages
Yellow page directory and it has a link to Canadian yellow pages.

Switchboard
Business and residential listings.

United States Postal Service
Zip code directory, comprehensive list of postal information including mailing rates and charges.

The Quotations Archive
A comprehensive, searchable database of quotations, browsable
http://www.aphids.com/quotes/index.shtml

CIA World Factbook
Text of the World Factbook includes information and statistics on countries of the world.

Elements of Style
A guide to the principal requirements of plain English style.

The Weather
Check the weather anywhere.

Yahoo Reference
A link to an extensive list of reference resources.