The Excellent Adventure:In the course of their pursuit of the fleeing Khwarazmian Amir, Genghis Khan’s two top commanders have reached the shores of the Caspian Sea, and heard some of the strangest tales about what – and who – lay beyond. When the Great Khan gives his go-ahead to scout it out, they’ll launch a three-year trek that will remake the world in their bloody image.

The Bogus Journey:Reaching the far side of the Caucuses Mountains, Subotai and Jebe have a surprise in store. But the true wonders, riches, and opportunities still lie ahead among the forests and winding rivers north of the Black Sea.Learn more about your ad choices. Visit megaphone.fm/adchoices