Watch Cities of the Underworld online: Episode 13 Rome: The Rise

Rome, Italy is known for great food, edgy fashion...and its history. The Roman Empire was the largest and most powerful in history, and pieces of this great Empire can be found under practically every street in Rome. But how did ancient Rome achieve its greatness? The answer lies underground. From entire underground neighborhoods and one of the oldest sewer systems in the world, to aqueducts and underground theaters, the secret to how Rome became so powerful can be found beneath the streets. Many modern engineering marvels are based on ancient Roman design, and the proof is found in these subterranean locations. Join host Eric Geller as he goes back to the founding of the Empire and traces technology back to the beginning. We're peeling back the layers of time on Cities of the Underworld: The Rise of Rome.

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