Delta Airlines

http://www.delta-air.com/res/

Trans World Airlines

http://www.twa.com

Southwest Airlines

http://www.iflyswa.com/cgi-bin/buildItinerary2

Hertz Car Rental

http://www.hertz.com/

Amtrak

http://www.amtrak.com/index3.html

Camping KOA

http://www.koakampgrounds.com/home_ns.htm

All Hotels on the Web

http://www.all-hotels.com/index.asp?page=www.all-hotels.com/usa/home.htm

Convention and Visitor Bureaus of Major U. S. Cities

http://dir.yahoo.com/Recreation/Travel/Convention_and_Visitors_Bureaus/U_S__Cities/

MapQuest Travel Planning Resources

http://www.mapquest.com/

Yahoo Travel

http://travel.yahoo.com/

Travel Regions

http://www.familytravelguides.com/allregions.html

http://maps.yahoo.com/

The Usborne First Book of America