The world’s largest country, Russia is a nation that, in many ways, defined the course of 20th century's world history. Bohemian Saint Petersburg is a journey into tsarist imperialism, monumental Moscow still breathes a Soviet aesthetic, and those who wish to dig yet deeper must embark on an expedition into the Russian Far East along the Trans-Siberian Railway, via the growing regional centres of Yekaterinburg and Novosibirsk, and the world’s largest lake, Baikal.