Asheville, North Carolina
In the late 1800s, George Vanderbilt had no idea what to do with the gazillions of dollars that his family had accrued in the shipping and railroad businesses. So, he decided to build a small chateau on a hill outside Asheville. I say "small" as I compare it to the size of the moon. The house has 175,000 square feet of livable floor space under its roof and is the largest privately held house in the United States. (To put the size in perspective, 175,000 square f...