110,Charter Sailing With Crew
120,Charter Sailing Without Crew
130,Windjammer Cruises
140,Sailing Schools
160,Windsurfing
170,Para-Sailing
180,Sailing
210,Downhill Skiing
220,Heli-Skiing
230,Telemark Skiing
240,Cross-Country Skiing
310,Snowshoeing
320,Dog Sledding
330,Snowmobiling
410,Four-Wheel Drive Treks
420,Motorcycle Touring
430,Automotive Sports
510,Covered Wagon Tours
520,Llama Treks
530,Camel Treks
540,Horseback Treks
550,Horse and Mule Packing
560,Cattle Drives
570,Carriage Tours
580,Elephant Safaris
610,International Peace Programs
620,Volunteer Vacations
710,Scuba Diving
720,Diving with Mammals
730,Snorkeling
810,Spelunking
820,Prospecting
910,Ballooning
920,Sky Diving
930,Parachuting
940,Soaring
950,Hanggliding
960,Bush Flying
970,Paragliding
1010,Mountain Biking
1020,Bicycle Touring
1110,Canoeing
1120,Kayaking
1130,Sea Kayaking
1140,Rafting
1210,Fly-fishing
1220,Deep Sea Fishing
1230,Fishing
1410,Cooking Schools
1415,Climbing Schools
1420,Wilderness Schools
1425,Driving Schools
1430,Language Schools
1435,Flying Schools
1440,Photography Schools
1445,Fishing Schools
1450,Leadership Training Programs
1460,Paddling Schools
1470,Art Schools
1490,Marine Studies
1520,Rock Climbing
1530,Ice Climbing
1540,Mountaineering
1600,Arctic Expeditions
1720,Music
1730,Film
1740,Theater
1810,Horseback Riding
1820,Dude Ranches
1905,Photography Tours
1910,Art Tours
1915,Gourmet Tours
1925,Natural History Tours
1930,Archaeologic and Historic Tours
1935,Wine Tasting Tours
1940,Historic Reenactments
1960,Pub Tours
1970,Mystery Tours
1980,Literary Tours
1990,Native Culture Tours
2010,Houseboats
2020,Cruises
2030,Barge Tours
2040,River Journeys
2050,Boat Journeys
2100,Hiking/Trekking Journeys
2110,Walking Tours
2210,Jungle Explorations
2220,Nature and Wildlife Tours
2230,Safaris
2240,Whale Watching
2310,Healing and Spirituality
2400,Older Adults
2500,Women's Programs
2600,Youth Programs
2700,Family Programs
2810,Budget Tours
3010,Train Journeys
3110,Combination Tours