These mega-mansions started out with enormous price-tags, but when they didn't sell, they got massive price cuts. Each estate eventually sold at a discount of more than 60% from the initial asking price. Here are three of the largest price drops in residential real estate in America over the last 12 months.

Florida beachfront mansion

  • Original Asking Price: $159 million (2015)
  • Sold For: $42.5 million (2018)
  • Price Reduction: 73%