On an icy, unforgiving Christmas night in 1776, General George Washington leads his troops across the treacherous Delaware River -- a bold decision that will become a turning point in the American Revolution.

Genghis Khaan and his Mongol Horde created the largest land empire in recorded history and they did it in less than seventy years. How were they able to achieve military dominance on such a grand scale?

During WWII, a vast complex of bunkers was constructed under the streets of London. Using cutting-edge technology, explore this lost world -- an entire subterranean city built to keep the British government running.

From the Nazi Blitzkrieg in 1939 to the Pearl Harbor attack in 1941, the Axis tide rolled unchecked -- until a series of battles that spelled doom for Hitler and his allies.

Centuries after the fall of the Roman Empire, France stood on the edge of utter disaster. From the ashes emerged one of the greatest military strategists in history: Napoleon.

The Vandals infiltrate the Roman borders in northern Gaul and sweep into Spain, making their name synonymous with lawless destruction, looting, and terror.