The longest direct train journey in the world covers 5,771 miles and takes almost a week to complete, with passengers travelling through eight time zones ...

For centuries, citizens of the Eurasian continent have pondered an affordable and speedy way to traverse the great expanse of tundra separating Europeans from their Asian neighbors. And when the ...

Editor’s Note: This story was originally published in May 2024. It was republished in February 2025 to mark the launch of CNN’s Chance Encounters podcast Marie-Claire Martineau couldn’t stop thinking ...