Rome is known as the eternal city, but what you see today is only the tip of the iceberg. Under this bustling modern metropolis are the remains of another "eternal city" entombed since the fall of Rome. Thousands of hidden acres of ancient Roman history are buried here: homes, sanctuaries, roads and even crypts. NGC unlocks the treasures of a city many have visited but few have seen, revealing its secrets one excavation at a time.

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Documentary