Secrets of the Great Wall is a Documentary film that follows the Great Wall of China stretches for thousands of miles, an iconic monument that can be seen even from outer space. Yet, despite being so visible, it's steeped in secrets, which are finally revealed in this extraordinary documentary produced by the Discovery Channel (with the help of NASA and various Chinese organizations). Learn about the history of the wall's construction, including the impetus for building it and lives lost in its creation. Secrets of the Great Wall is not currently listed with streaming providers in your selected region, but availability can change over time. Fans of documentary movies may also want to explore similar titles below.