Season 01
In this episode, Dr. Allan Maca investigates the biggest man-made structure on Earth: the Great Wall of China. This ancient monument has been studied by experts for decades, but it's only now, thanks to new satellite imagery and cutting-edge technology, that its secrets are finally being revealed.
All Episodes - S01
EPS01
In this episode, Dr. Allan Maca investigates the biggest man-made structure on Earth: the Great Wall of China. This ancient monument has been studied by experts for decad ...
EPS02
EPS03
Dr. Allan Maca and his team explore an ancient megacity, the biggest on the planet 4,000 years ago that mysteriously disappeared - a place where the people created Maya-l ...