World village

I suggest to visit the "Ethnologue" website for people interested in foreign cultures and languages. This is an encyclopedic reference work cataloging all of the world´s 6,912 known living languages.
http://www.ethnologue.com/

Some useful online travel guides:

http://www.fodors.com
http://www.frommers.com
http://www.lonelyplanet.com
http://www.nationalgeographic.com

> USA

Back roads
The staff is very friendly and give the customer helpful advices to prepare his travel. They also propose all inclusive car rental packages, for a very good price.
http://www.backroads.fr/
Phone: +33 1 43 22 65 65
14 place Denfert-Rochereau
75014 Paris

Maison des Etats-Unis
http://www.maisondesetatsunis.com/
Phone: +33 1 53 63 13 43
3 rue Cassette
75006 Paris

> Asia

Maison de la Chine
http://www.maisondelachine.fr/
Phone: +33 1 40 51 95 00
76 rue Bonaparte
Place Saint Sulpice
75006 Paris

Asia
http://www.asia.fr/
Phone: +33 1 44 41 50 10
1 rue Dante
75005 Paris

> Change

Change Alliance
One of the best change rates available in Paris (no commission)
http://www.alliancefr.org/html_fr/vivre.html
101 Boulevard Raspail
75270 Paris Cedex 06
Phone: +33 1 45 49 18 40
e-mail: change.alliance@wanadoo.fr

> Car rental

Autoescape
All inclusive car rental packages, for a very good price.
http://www.autoescape.com
Phone: 0 800 920 940 (toll free in France)
Phone: +33 4 90 09 28 28

Holiday Autos
All inclusive car rental packages, for a good price.
http://www.holidayautos.fr