Here are contacts for selected trains around the world. Note that some numbers are for U.S.-based agents that have booking contracts with the lines, but most trains can be reserved by any travel agent.

GREAT SOUTHERN RAILWAY // Operates Australia's Indian Pacific (an east-west transcontinental), the Ghan (a north-south transcontinental) and the Overland, which travels between Melbourne and Adelaide.; ATS Tours, 800-423-2880 or; Rail Australia, 011-61-8-8213-4592 or

JAPAN RAIL // A variety of trains, including the famous high-speed Shinkansen. Japan Railways Group, 212-332-8686 or

QUEENSLAND RAIL // The Sunlander (including elevated Queenslander Class) and Outback services in Australia, ATS Tours, 800-423-2880; Rail Australia, 011-61-8-8213-4592 or

RAIL EUROPE // Source of all European (including British) rail passes, schedules and tickets. 888-382-7245 or

ALASKA RAILROAD // The Denali Star between Fairbanks and Anchorage by way of Denali National Park and Preserve offers luxury GoldStar Service in full-length dome cars. 800-544-0552 and

AMTRAK // The national passenger rail network remains intact and for the first time in years, there seems reason to be cautiously optimistic about its future. 800-872-7245 or

VIA RAIL CANADA // Silver & Blue class aboard the scenic transcontinental Canadian between Vancouver, British Columbia and Toronto is one of the world's great train journeys. 888-842-7245 or

BLUE TRAIN // Southern Africa's classic luxury train, 011-27-12-334- 8459 or; Creative Safaris, 800-768-9020 or

GRANDLUXE RAIL JOURNEYS // The train, formerly the American Orient Express, this year will operate April 29-October on three itineraries: National Parks of the West, the Great Northwest & Rockies and Rockies, Sierras & Napa. 800-320-4206 or

PALACE ON WHEELS // Elegant and luxurious train tour in India. 877-463-4299 or

ROVOS RAIL // Luxury rail tours in southern Africa with historic coaches. For bookings, 011-27-12- 315-8242 or; for information, call Warren Green of Kartagener Associates, 800-524-7979.

ROYAL CANADIAN PACIFIC // Elegant excursions in the Canadian West aboard a train made up largely of historic business cars once used by railroad executives. 877-665-3044 or

ROYAL SCOTSMAN // Ultra-posh rail tours in Britain, part of the Venice Simplon Orient Express operation. 800-524-2420 or

SIERRA MADRE EXPRESS // Train tours to Mexico's Copper Canyon. 800-666-0346 or

VENICE SIMPLON ORIENT EXPRESS // Besides its signature London-Paris-Venice, Italy, service, which also occasionally ranges to Istanbul and elsewhere, the company's trains include the Eastern & Oriental Express through Thailand, Malaysia and Singapore and PeruRail, which features the Hiram Bingham to Machu Picchu. 800-524-2420 or

RAIL TRAVEL CENTER // Rail tours in North America and abroad. 800-458-5394 or

SOCIETY OF INTERNATIONAL RAILWAY TRAVELERS // Rail tours worldwide, color newsletter. 800-478-4881 or

NATIONAL ASSOCIATION OF RAILROAD PASSENGERS // Informative newsletter and a chance to be counted as a ra i l supporter. 202-408-8362 or

THOMAS COOK PUBLISHING // Its European Rail Timetable and Overseas Timetable (for the rest of the world) are invaluable.