Cruise snow-capped peaks, or explore the expanses of African terrain—see the world by rail on these incredible trips http://on.natgeo.com/2zpshtD

Cruise snow-capped peaks, or explore the expanses of African terrain—see the world by rail on these incredible trips http://on.natgeo.com/2zpshtD 

https://twitter.com/NatGeoTravel/status/928457153878396934