India's Royal Rajasthan on Wheels is listed among these great train journeys across the world.
There's no better way to discover places than from a train, and these photos are all the proof you need.
In its August/September issue, National Geographic has listed the 16 best train trips in the world.
Take a look at these jaw-dropping pics of trains zipping past breathtaking deserts, rocky mountains and stunning coastlines.
We hope that at least one of these mind-blowing journeys feature on your bucket list :)
You may also want to read: 15 most scenic train journeys in the world
India
A mobile palace complete with onboard spa, Royal Rajasthan on Wheels highlights India's temples, forts, and Taj Mahal on a seven-night passage.
Photograph: Vijay Mathur/Reuters
Africa
The Shongololo Express pairs a safari with deluxe rail travel in Namibia, South Africa and Zimbabwe.
Photograph: Courtesy Rovos Rail
Australia
Pack hiking boots and binoculars to explore Alice Springs on The Ghan, which runs north to south in the "Red Centre" of Australia from Darwin to Adelaide.
Photograph: Courtesy The Ghan
Argentina
The Train to the Clouds climbs to 13,800 feet in the rugged Andes on its way from Salta, Argentina, to the Chilean border on one of the highest train journeys in the world.
Photograph: Marco Guoli
Russia
National Geographic Expeditions offers a 16-day excursion through Russia, from Vladivostok to Moscow, aboard the Golden Eagle Trans-Siberian, which rolls by Lake Baikal, the deepest lake on Earth.
Photograph: Courtesy Golden Eagle Trans-Siberian
New Zealand
In New Zealand, the TranzAlpine runs between Christchurch and Greymouth, racing alongside the Waimakariri River and through the Southern Alps on a nine-hour round-trip route.
Photograph: Age Fotostock/Alamy Stock Photo
Europe
Black-tie glamour still rules on the century-old Orient Express from London to Venice, which passes through Paris while you're having dinner and brings aboard fresh-baked croissants when the train stops in Switzerland.Photograph: Hubert Fanthomme, Paris Match/Getty Images
Switzerland
The Glacier Express distills the Alpine experience into eight hours of snowy peaks, mountain meadows, and storybook villages between Zermatt and St. Moritz, Switzerland. Photograph: Olaf Protze/Getty Images
California
Rolling from the Windy City to San Francisco, the California Zephyr climbs both the Rockies and the Sierra Nevada before descending to the Pacific coast on its 2,447-mile traverse across the heartland of America.
Photograph: Courtesy Marc Glucksman, Amtrak
Serbia and Montenegro
On Belgrade to Bar, riders experience 254 tunnels and 435 bridges on a 296-mile trip from Serbia's capital to the shores of the Adriatic, at a bargain price. Photograph: Nick Cottman, Alamy Stock Photo 
