How can I travel in the United States?
Amtrack: train schedules and ticket reservations
http://www.amtrak.com
Greyhound: bus schedules and fares
http://www.greyhound.com
Hotels
http://www.hotelcentralusa.com/
Information on the National Park Service
http://www.nps.gov/parks.html
World Heritage Sites in the U.S.
http://www.cr.nps.gov/worldheritage/list2.htm
Rental cars (national chains)
http://newsdirectory.tucows.com/carent.php
Currency converter
http://www.oanda.com/convert/classic
http://www.xe.com/ucc
City maps
http://maps.yahoo.com
http://www.mapquest.com
http://geography.about.com/cs/maps/index.htm?once=true&
The weather in the city/state you are going
http://www.weather.com
Travel information on Fodors
http://www.fodors.com
Useful travel links
http://travel.yahoo.com/p/travelguide/191501863
http://www.usatourist.com
http://www.virtualtourist.com/vt/4f8/