- The Trans-Mongolian Railway: What To Expect. Thinking about taking the greatest train ride in the world? The Trans-Mongolian Railway with Topdeck is just what you’re looking for. Spanning over 7,000 kilometres from truly epic Moscow, through the heart of Siberia, onwards through the plains of Mongolia and finishing in the mega city of Beijing, the Trans-Mongolian Railway offers a once-in-a-lifetime adventure. […]
