On rare occasions natural and human forces collide in a spectacular way to provoke disaster and change the world forever. These are history's Perfect Storms. In this series, we travel the world to investigate the biggest and most consequential disasters of all time. These events are the black swans of history: extremely rare and massively impactful. To understand why they occurred and what it was like to experience them first hand, you have to pick them apart piece by piece. Today, cable news networks provide exhaustive 360-degree coverage of natural and human disasters. They utilize on-the-ground investigation and scientific analysis; present dramatic storytelling about survivors and victims, heroes and villains; and employ powerful tools like 3D animation, field-testing, and satellite imagery. Perfect Storms will use these same high tech tools, dramatic storytelling, and investigation.A cyclone that stopped the Roman Army cold. A hurricane and "dragon twist" that wiped out major cities. A supervolcano that triggered the Dark Ages. These are history's perfect storms, forces of nature that impacted us in ways far beyond the physical havoc they wreaked. Join us as we investigate these catastrophes, why they occurred, and what it was like to experience them firsthand. Scientific analysis and historical documents bring them to life, revealing stories of survival, heroism, and devastation.