The largest pre-Civil War mansion in all of the American South burned to the ground as a devastating fire ripped through the historic wooden structure built nearly 200 years ago. Flames broke out at the of 165 room Nottoway Plantation in White Castle, Louisiana in the afternoon. Ten local fire departments were helpless to stop the fire from burning up all 53,000 square feet of the iconic building. There were no injuries and one Louisiana fire marshal said it was "the biggest fire" he ever saw. The cause of the blaze is under investigation.