A Base for Travel Info.com
Searchable travel directory with links to government, historic and cultural websites of many countries.
http://www.abasefortravelinfo.com

A for All Directory
A heavily commercialized travel directory with the odd good link.
http://www.aforall.com/directory/Travel_and_Transport/

AardvaarkTravel
Travel search engine and directory with over 10,000 links.
http://www.aardvarktravel.net/

Absolute Authority
Online travel search engine and directory for the USA.
http://www.absoluteauthority.com/Travel_America/

AtlasNavigator
Global air travel directory.
http://www.atlasnavigator.com/

AtUK
Search for all things British and travel related.
http://www.atuk.co.uk/

Australia Total Travel Guide
Aussie travel directory and trip planning guide all rolled into one.
http://www.totaltravel.com.au/

A-Z of Tourism
Information and links for over 500 destinations worldwide.
http://www.a-zoftourism.com/

A-Z of Travel
Another source of travel-related links.
http://www.a-zoftravel.com/

Budget Travel
Travel links galore.
http://www.budgettravel.com/

Comet Web Search
Travel oriented web search engine.
http://search2.cometsystems.com/

Eco Club
An international ecotourism club and online ecotourism directory.
http://www.ecoclub.com/

Everything About Tourism.com
Bills itself as "The World's Tourism Search Engine".
http://www.everything-about-tourism.com/

Gates96.com
Search for links worldwide by region.
http://www.gates96.com/

Great New Zealand
An online directory full of New Zealand tourism weblinks.
http://www.greatnewzealand.co.nz/

Hobo Traveler.com
Absolutely brimming with advice, tips and links for travellers on a whole host of topics.
http://www.hobotraveler.com/

Info-World.com
A search engine containing 16,000 travel links and a lot of gems.
http://www.info-world.com

ITravelnet
A travel directory and travel portal with some useful links.
http://www.itravelnet.com/

Johnny Jet
One of the most comprehensive travel directories on the Web.
http://www.johnnyjet.com/

Kasbah
World travel search engine and comprehensive travel guide to resorts, cities and countries.
http://www.kasbah.com/

Levoyageur
Packed full of essential web links and useful travel tools.
http://www.levoyageur.net/

Mahalo
Assorted travel links ordered by category.
http://www.mahalo.com/Category:Travel

NZS.com
NZS.com is not a pure travel directory, but it does have a big travel section dedicated to New Zealand nonetheless.
http://www.nzs.com/travel/

Planetrider.com
A fabulous travel directory where you can even get answers to questions like "how do I get a helicopter to drop me at the top?".
http://www.planetrider.com/

Qango
Specialist travel and tourism web directory.
http://travel.qango.com/

Search.Travel
Serves up lots of results, though not necessarily what you were searching for.
http://search.travel/travelsearch/
http://www.search.travel/
http://www.directory.travel/
http://www.tralliance.travel/

Surf2Travel
Searchable directory of global travel links.
http://www.surf2travel.com/

The Good Web Guide
An online directory of Web links that covers a wide range of topics, including travel, and which is based on the popular books of the same name.
http://www.thegoodwebguide.co.uk/

The Ticket Express Portal
Travel directory aimed largely at an American market of for international travellers heading there.
http://www.travelskills.com/portal.htm

TOL Search
Travel search engine with dedicated sections for the continents of the world and tourism services.
http://www.tolsearch.com/

Tourist Click.com
An expanding travel directory that features plenty of useful links for travellers worldwide.
http://www.touristclick.com/

Travel Insider
An eclectic mix of travel tips and links.
http://www.travelinsider.co.uk/

Travel Links Directory
Offers a very limited selection of travel links for countries worldwide.
http://www.travellinksdirectory.com/

Travel Notes.org
Directory of travel links sorted by country and accommodation booking engine.
http://www.travelnotes.org/

Travel Topics
Over 200 travel topics with links to the best sites on the web.
http://www.travelscience.com/Framesets/Travel_Topics/
Travel_Topics_Index_frameset.htm

Travel Websites Directory
Travel directory with a British bias.
http://www.travelwebsitesdirectory.co.uk/

Travel-Around.com
Members-only travel search engine.
http://www.travel-around.com/home/default.asp

Travel-Directory.org
Just as it says.
http://www.travel-directory.org/

Travel-Library
Travelogues and travel information for countries around the globe.
http://www.travel-library.com/

Travel-Lists.co.uk
Features a modest but growing number of travel links sorted into various subject categories. Aimed at Brits, but useful to all.
http://www.travel-lists.co.uk/

Travel-Quest.co.uk
Specialist travel lsitings.
http://www.travel-quest.co.uk/

Travelconsumer.com
Index of travel websites.
http://www.travelconsumer.com/

Travelhops.com
Travel search engine and travel guide directory compiled by human editors. The site is also available in UK, Australia and New Zealand versions, as detailed below.
http://www.travelhops.com

Travelhops.com Australia
http://www.travelhops.com.au/

Travelhops.com New Zealand
http://www.travelhops.co.nz/

Travelhops.com UK
http://www.travelhops.co.uk/

Travelleronline
Links to over 1,000 travel websites.
http://www.travelleronline.com/library/internetguide/

Travelsearch.co.za
Minimalist but functional South African travel search engine.
http://www.travelsearch.co.za/

Travelsurfing.com
Easy-to-use travel search engine.
http://www.travelsurfing.com/

Travigator
Search through a database of over 5,000 travel sites, with more sites being added daily.
http://www.travigator.com/

Travoogle
Search engine and directory devoted to travel and tourism.
http://travoogle.com/

Trip Spot
Links to countries and cities, and a host of other travel related topics.
http://www.tripspot.com/

Tripahoo!
Online catalogue of assorted travel links.
http://www.tripahoo.com/

Trotty
A series of Internet travel directories that are packed with useful travel links.
http://www.worldtrotter.com/
http://www.trotty.com/
http://www.eurotrotter.com/
http://www.americatrotter.com/
http://www.asiatrotter.com/

Tyzo
Over 6,000 pages of categorized travel websites.
http://www.tyzo.com/dir.html

Vacation & Travel
A limited number of travel links listed under major subject headings.
http://www.stdl.org/class/Travel/

World Web
Travel search engine and directory that contains over 200,000 Web pages of travel information on countries in North America, Europe, Australasia and the Caribbean.
http://www.worldweb.com/

WWTravelsource.com
A travel directory with disproportionately American content.
http://www.wwtravelsource.com/Travel-Agencies.htm