Wouldn't this be a nice listing (or mortgage)?
According to Forbes and MSNBC (http://www.msnbc.msn.com/id/12917410/) the most expensive home in America is a seaside palace owned by Donald Trump. The property is valued at $125 Million.
It is an 80,000 sq. ft. mansion in Palm Springs, FL, complete with 18 bedrooms, 8 car garage, a conservatory, a carriage house as well as guest and pool houses.
A slideshow of the world's most expensive homes is here: