With the death of Nero, the Augustan dynasty comes to an end. And once again, the empire faces an uncertain future. Rival generals fight for supremacy in the streets of Rome. A new dynasty brings another tyrant to the fore. Mount Vesuvius erupts, burying Pompeii and thousands of its residents beneath ash and mud. But the resilient empire weathers the crises. As the first century draws to a close, Rome's legacy is destined to reverberate across the ages.

Note: This is part 4 of a series of 4 parts.