The Bering Strait was a strait running between East Russia and Alaska, (PROSE: Doctor Who: The Encyclopedia [+]Loading...["Doctor Who: The Encyclopedia (2007 reference book)"]) which lay beyond Siberia relative to Russia and was called the "stepping stone between America and Asia" by the Fifth Doctor. (AUDIO: The Land of the Dead [+]Loading...["The Land of the Dead (audio story)"])
During the Year That Never Was, the Master and the Toclafane turned Russia into the massive Shipyard Number One, which ran from the Black Sea to the Bering Strait. (TV: Last of the Time Lords [+]Loading...["Last of the Time Lords (TV story)"])