Trekking the Great Wall (2011) is a Documentary film that follows they say it's over 2000 years old, and more than 4,000 miles long. But even today nobody really knows for sure. The Great Wall of China is one of the world's famous buildings but it is still the least known. British writer and historian William Lindesay has lived in China for twenty years. Exploring the Great Wall has become his lifetime obsession. Currently, you can watch Trekking the Great Wall on Amazon Video. Streaming availability may vary by country and platform over time. It has a user rating of 6.0 out of 10 from 3 votes. Fans of documentary movies may also want to explore similar titles below.