West Highland Line, United Kingdom

 

Image result for West Highland Line, United Kingdom

 

Rocky Mountaineer, Canada

 

Image result for Rocky Mountaineer, Canada

 

Darjeeling Himalayan Railway, India

 

Image result for Darjeeling Himalayan Railway, India

 

Semmering Railway, Austria

 

Image result for Semmering Railway, Austria

 

Douro Line, Portugal

 

Image result for Douro Line, Portugal

 

The Ghan, Australia

 

Image result for The Ghan, Australia

 

Bergen Railway, Norway

 

Image result for Bergen Railway, Norway

 

Bernina Express, Switzerland and Italy

 

Image result for Bernina Express, Switzerland and Italy

Source from here