- Portland
International Airport
http://www.portlandairportpdx.com/web_pop/PDXHOme.htm
Construction updates, and arrival/departure information.
- Bureau of Consular Affairs
http://travel.state.gov/
Publications for the travelers such as travel warnings, passport and visa
applications, and student travel tips.
- The Rough Guide
http://travel.roughguides.com/
Guides to thousands of locations around the world, with basic information on
history and culture, as well as recommendations for dining, entertainment, and
accomodations.
- Yahoo Travel Index
http://www.yahoo.com/Recreation/Travel/
An extensive list of travel links.
- Topozone
http://www.topozone.com/
Topographical maps for the entire United States, developed in
coordination with the U.S. Geological Survey, available online with a
variety of scales.
- NASA Mars
Exploration Program
http://mars.jpl.nasa.gov/
Information on current Mars missions including the Pathfinder, Global
Surveyor, Surveyor 98, and Surveyor 2001. Features mission overviews,
findings, photos, and more.
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