Actor Ewan McGregor has ended his 20,000-mile round-the-world motorcycle trip in New York City's Battery Park.
The pair teamed up with Unicef for charity events during the journey
McGregor and fellow actor Charley Boorman spent more than three months driving through Eastern Europe, Mongolia, Siberia and Alaska.
"It was a good excuse to ride motorcycles for a very, very long time," the Star Wars actor said.
A documentary of their journey will be shown on Sky One and their travel memoirs will be published in November.
Taking in three continents and 15 countries, their journey began in London in April, before crossing Eastern Europe through Siberia, across the Bering Sea to Alaska and on to the Atlantic Ocean.
McGregor and Boorman underwent survival training with ex-soldiers before embarking on the trip, and learned how to perform emergency medical treatment.
The pair teamed up with the United Nations Children's Fund, Unicef, for charity events during the journey.
McGregor told how he was hit from behind at 50mph in Canada and how he nearly lost his bike when crashing into a swollen river in Mongolia.
Starting in London in April, their journey covered 15 countries
The 33-year-old said crossing Mongolia was the hardest part of the journey. "There were no roads there, just gravel," he said.
"One day we rode 14 hours and went 30 miles. But we ploughed on and I'm glad we did. It was extraordinary. I learned a lot about humanity."
Boorman, who starred in Excalibur as a child, said the experience brought them as close as brothers.