America's Hidden Pyramid CityJune 5, 2016

Over a thousand years ago a great civilisation built a thriving metropolis in the heart of North America. It was larger than Paris and London at the time and was known as Cahokia. It’s one of the best kept secrets of western archaeology, but using cutting-edge technologies, its mysteries are finally unravelled.

America's Hidden Pyramid City was broadcast on SBS ONE at Thursday 17 May 2018, 07:30. This episode was initially placed on Monday 6 June 2016.