Drain the Oceans S04E08 - Hurricane Apocalypse

From the earliest colonization attempts to now, hurricanes have wreaked havoc along the North American coast. Exploring the wreckage reveals surprising truths about the continent's history. Through the remnants of a 16th century Spanish galleon, a mysterious pile of revolutionary era cannons, and hundreds of submerged New York subway cars, scientists are uncovering how hurricanes have shaped America's past - and how they might impact its future.