The guys arrive in Alaska and head into Canada, trading their motorcycles for broncos at the Calgary Stampede for the last stretch into New York City.
Eastern Russia is beautiful but many roads are impassable due to summer flooding; black bears roaming the countryside looking for food become a problem.
After mechanical problems and an accident, Ewan and Charley learn to focus on the surrounding beauty; Charley participates in a wrestling tournament in Ulaan Baatar.
Crossing into Mongolia the landscape evolves from open steppe, finally becoming the vast open plains where Kazakh Yurts and Mongolian Gers live side by side.
The guys are warmly welcomed by the people of Kazakhstan, but find the roads hostile and are often stopped by police and escorted through dangerous territory.
Ewan and Charley say their goodbyes and start their trip; first stops are Prague, Slovakia and the Ukraine.
Ewan McGregor and Charley Boorman prepare for their epic adventure, including lessons for kidnapping avoidance, fitness training, first aid instruction and vaccinations.
Reflecting on the highlights and lowlights of their journey around the globe.
On the final leg of the journey to New York City both men are involved in collisions with cars.
Charley and Ewan go kayaking in Prince William Sound, and are overwhelmed by the beautiful scenery and killer whales they see diving through the water.
A grueling drive across the Road of Bones may be too much until a convoy of Russian trucks offer some hope.
Meeting with runaway children in Mongolia and then to Siberia where a 24-hour train ride turns out to be a bad idea.
Ewan and Charley are involved in car crashes.
Bad luck occurs when a pair of bikes break down and their support team gets into an auto accident.
Camping out for the first time; 14th century mausoleum; goat polo match.
First stop is in Prague and then a simple border crossing turns into a 12-hour nightmare.
Getting reading to start the journey, everybody scrambles to make last minute plans.