History reports that the mighty Inca were swiftly wiped out by a small band of Conquistadors. But new evidence is being unearthed that may help rewrite history. Remains of those who died in battle have been discovered, and for the first time physical evidence is suggesting that Spain’s conquest of the Incan Empire may have actually taken twenty years. Brought to life through CGI reconstruction and reenactments, the untold epic saga of decades of guerilla warfare and rebellion are finally revealed as National Geographic uncovers the truth behind the Inca’s last stand.