Adventure and Sports
Auto Racing Tours, Camel and Elephant Safaris, Guides and Directories, Jungle Expeditions, Sporting Events, Surfing, Tennis, Walking Tours, Worldwide, 1st Class Adventures, A Connecting Thread, Adventure Training Consultants, Adventure Travel Base Camp, Alacran Surf Tours, Alpine Adventure Sports, Eastern Outdoors, Evolution 2, Excel International Sports Tours, ExtremePlanet
Archaeology
Alternative, Ancient World Tours, Andante Travels, Archaeological Adventures, Archaeological Tours, Archaeology Plus, Desert Discoveries, Destinations and Adventures International, Explorations Inc, Far Horizons Archaeological and Cultural Trips, In, Fliegel Jezerniczky Expeditions
Arts
Architecture, Canada, France, Italy, Music, Photography, South Africa, Spain, Academic Arrangements Abroad, AegeanScapes, Alaska Center for Creative Renewal, Antiquetours 4 You, Aroma Tours, Art Adventures International, Art Excursions, Art History Alive, Art in Argentina with Benim Viajes, Art Lycia
Backpacking
Tour Operators, Travelogues, 1YearOut.com, Backpack Europe on a Budget, Backpack Through Europe, Backpack Traveller, Backpack.start4all.com, Backpackbuddies, Backpackers Internet Guide, BackpackerTips.com, Backpacking Around Australia, Backpacking Europe
Battlefields
Anzac Travel, Bartletts Battlefield Journeys, Battlebus, Battlefield Bicycle Tours, Battlefield Tours, Battlefield Tours, Battlefield Tours with Kingshead Adventures, Battlefields Experience, Battlefields Review, Bushy Run Battlefield
Boat Charters
Africa, Asia, Caribbean, Central America, Europe, Middle East, North America, Oceania, South America, Worldwide
Bridge Playing
Begin Bridge, Bridge at the Limes, Bridge Overseas, Bridge Tours South Africa, Dawson's Bridge Vacations, Diamond Bridge Holidays, Finesse West Tours, First for Bridge, KandA Bridge Holidays, Master of the Game
Budget
Auctions and Bids, About's Budget Travel, Art Of European and World Travel Backpacking, Discountr.com, Donna McSherry's Resources, E-Team, Europe on Pocket Change, Fabulous Travel, FreeToDo Travel Guides, Rick Steves' Europe Through the Back Door, Rough Guide
Corporate
Guides and Directories, Incentive Programs, Services, Travel Agents, ABTOT - Association of Bonded Travel Organisers Tr, American Express Corporate Services, Association of Business Travellers, Briggs Red Carpet, Business Travel, Business Travel Management, Business Travel Net, Business Travel News Online, Business Travel Show, Business Travel Solutions
Cruises
Consolidators, Cruise Lines, Freighters and Barges, Information, River Cruises, Themed Cruises, Travel Agents, Wedding and Honeymoon, AOL Travel Interests -- Cruises, Cruise2.com, Cruises, Cruises and Cruises, The Cruise Connection
Culinary
Wine, A Question of Taste, Chocolate Lovers Paradise Tours, City Adventures, Cook Italy, Cooking In Florence, Creative Cooking School in Las Vegas, Cuisine International, Cuisine Provençale, France, Ecco la Cucina, Epiculinary
Ecotourism
Associations, Birding, By Region, Dolphins, Manatees, and Whales, Away.com, Earth Routes, Earthfoot's Ecotour Posterboard, ECOCLUB.com, Ecotourism Resource Centre, Ecotourism.cc, Ecotravel.com, EcoVentures Nature Tours and Travel, Envirotours.com, Exotic Worldwide Adventures
Educational
Academic Tours, ACE Study Tours, ACIS Educational Travel, Affinity Group Tours, American Discovery Travel, American Home Life International, American Museum of Natural History: Discovery Tour, American Work Experience, Betchart Expeditions, Inc., Buenos Aires Centre
Family
About Family Travel, Activities for Kids, Air Travel Tips for Tiny Tots, Bali for Families, Children's Concierge, CustomCamp.com, Dragonfly Adventures, eKidsOnTheGo!, Family Adventure Magazine, Family Adventure Vacations
Festivals and Holidays
Bluff Oyster & Southland Seafood Festival, Casino Beef Week, Cloghane and Brandon Celtic Festival of Lughnasa, Crested Butte Wildflower Festival, Festivals.com, Galway Oyster Festival, Meetingeurope.com, Ollesummer, San Clemente Ocean Festival, Whatsonwhen.com
Gaming Junkets
Act II Travel, Advantage Coach, Artie's NewsStand, Card Player Cruises, Casino Accommodations, Casino Sales, Casino Tours, Casino Travel News, Casinos-R-Us, Champagne Tours
Garden Tours
American Horticultural Society: Travel Study Event, Boxwood Tours, Brightwater Holidays, Coopersmiths, Expo Tours, Garden Route Tour Guides, Garden Tours America, Garden tours and holidays, Global Garden Project, Horticulture Magazine Tours
Holistic
A Friend's Place, Aziza Healing Adventures, Blancards Centre for Human Development, Both Ends of The Rainbow, Dolphin Smiles, Dreamtime Journeys, Harmony Holidays, Hollyhock Workshops, Retreats, Vacations and Confe, Holos Institute, Hostal de la Luz
Mystery
Death By Murder, Gunshot Productions, Harry Packer Mansion. Jim Thorpe,PA., Murder By Design, Murder Mystery Inc., Murder Mystery U.S.A., Murder Mystery Weekend, Murder Mystery Weekend - Oklahoma
Native American
Copper Canyon Ecotourism, Discover Navajo - People of the Fourth World, Elk Island Retreat in Alberta, Canada, Footpath Journeys of Canyon de Chelly, Indian Country Tourism, Lodgepole Gallery and Tipi Village, Moki Treks, Side Canyon, Skyland Ranch, Walk Softly Tours
Pilgrimage
Buddhist, Christian, Holy Land, Spirituality and Self-Discovery, Al Hajj & Umrah Info Portal, DNR Ministries Pilgrimages, WTS Raptim
Rail
African Train Safaris, American Association of Private Railroad Car Owner, American Rail Excursions, Britain Shrinkers, China Train Reservation and Schedule, Clive Jacksens Tradewind Destinations, Escorted Summer Tours For Seniors, Europe Train Schedules, European Rail Ltd, Farr Discovery Rail Tours
Science
Burren Hill Walks - Ireland, Butterflies of Kerala, Diamantina Outback Tours, Eclipse Tours, Geotours, Global Expeditions, Hole in the Sky Tours, Kayenta Scientific Investigations, Natural Selection Expeditions, Parawild Safaris
Seniors
50plus Expeditions, Double Nickels, Elderhostel, ElderTreks, Escape Holidays, Exclusive New Zealand Holidays, FortyPlus Adventure, Foster's Downeast Clambake, Golden Oldies World Festivals, Liberty Medical
Singles
Bike Tours UK, Binnacle Travel, Connecting: Solo Travel Network, Cruising For Love, CuteTravelMate: Travel Companion Service, Escapade Cruises & Tours, LLC, Friendship Travel Ltd., Going Solo Travel Club, Majestic Sun Tours, MatchTravel
Space
Alltra - Space Transportation, FAR, Reason Interview: Burt Rutan, Space Future, Space Island Group Project, Spacetopia, Spacetourist, Virgin Galactic, Zero-G
Students
Spring Break, Adaptable Travel, Advent Tours, Adventure Student Travel, Adventureworks, American International Tours Inc., American Music Abroad, American Tours and Travel, ASD Cultural Exchange, Basketball Travelers, Belize Educational Trips
Supernatural
Chicago Supernatural Tours, Comlongon Castle, Enzian Travel Service Limited, Farnsworth House Restaurant and Inn, Fell's Point Ghost Tours, Ghost Tours in St. Augustine, Florida, Ghost Tours of Niagara, Ghosts of the Prairie, Green Mountain Inn, Haunted Britain and Ireland
Volunteering
2Way Development - Skilled Volunteers Overseas, ACDI/VOCA, Africa Volunteer, Work, and Research, African Conservation Trust, AidCamps International, Altruistic Adventures, Amigos de las Americas, Amistad Institute, Amity Institute, Amizade Volunteer Vacations
Weddings and Honeymoons
4Weddings.com, A Honeymoons Guide, Aphrodite Wedding Services, Around The World, Best Romantic Inns & Hotels, Brew Creek Lodge, Cultural Paths, Dream Weavers, EverAfter, Expert Honeymoon
Working Holidays
Alliance Abroad, Blue Dog Adventures, BUNAC, CCUSA, Cultural Cube, EMIS USA, Frontier Club, Gap Work, InterExchange, International Exchange Programs
Allegro Holidays
Specialty tour operator information on tours and travel itineraries for art, music, and opera tours, spas, archaeology, and ecotourism excursions worldwide , archaeology and ecotourism
City Segway Tours
Offers guided Segway tours in major cities, including Paris, Chicago, New Orleans, and Washington DC.
Club Europa
Information about European group tours and pilgrimages for special interest groups.
Cultural Travel
Features directory and travel guide listing travel agents and tour companies specializing in cultural and theme travel. Cross referenced by theme, destination and travel books.
Friendship Force International
Organization and network of local organizations promotiong international understanding through home-stay travel exchanges. Includes newsletters, links to local clubs, and other information.
Global Perspective
Short term exposure visits to grass-roots reality in Africa and Latin America.
Goin2travel
Online listing of special activity vacations, from health retreats to wild west ranches. Includes pictures, rates and online booking information. Atlanta, Georgia company.
InfoHub Specialty Travel Guide
A travel guide containing unique specialty interest tour packages and anything associated with specialty travel.
Just Your Own
Offers European escorted tours for 1-4 persons, specially designed for individuals and groups. Specializes in tours for women and recovering alcoholics and addicts. Provides contact information. Based in Seal Rock, Oregon.
Mindbodytravel
Specialty travel tour information for culinary, spa, spiritual and educational vacations worldwide. Woodland Hills, CA agency contact numbers.
People to People Ambassador Programs
Special interest travel programs for students, adults and groups. Highlights tours to over 70 countries for educational, sports and cultural pursuits.
Site59
A travel site for spontaneous souls based on mood. Packages posted are all-inclusive and guaranteed available.
Specialty Travel Index
Information about thousands of unusual vacations, offered by over 600 tour operators and outfitters around the globe.
The Globetrotters Club
International club for independent travellers with members in over 40 countries who share information, experiences, hospitality and friendship.