1: 1. Trans-Siberian Railway Embark on a journey across Russia, Mongolia, and China on the iconic Trans-Siberian Railway.

2: 2. Glacier Express, Switzerland Witness breathtaking landscapes on the Glacier Express, known as the slowest express train in the world.

3: 3. The Ghan, Australia Experience the vast Outback on The Ghan, a legendary train journey from Adelaide to Darwin.

4: 4. Rocky Mountaineer, Canada Travel through the Canadian Rockies on the luxurious Rocky Mountaineer train for stunning views.

5: 5. Venice Simplon-Orient-Express Step back in time on the Venice Simplon-Orient-Express for a glamorous cross-European journey.

6: 6. Blue Train, South Africa Ride through South Africa in luxury on the Blue Train, known for its impeccable service and scenic routes.

7: 7. Indian Pacific, Australia Cross Australia on the Indian Pacific train, offering a unique way to explore the continent.

8: 8. Belmond Andean Explorer, Peru Discover the beauty of the Peruvian Andes on the Belmond Andean Explorer, South America's first luxury sleeper train.

9: 9. Rovos Rail, South Africa Embark on a safari on rails with Rovos Rail, offering luxurious train journeys across South Africa.