? All right, now we go to the mammoth mansion that was once owned by TV legend Aaron spelling. It's going back on the market. It's now owned by a young heiress and if she gets her asking price, she... See More
? All right, now we go to the mammoth mansion that was once owned by TV legend Aaron spelling. It's going back on the market. It's now owned by a young heiress and if she gets her asking price, she will literally break the real estate bank. ABC's nick watt takes us on a tour. Reporter: This will be if it sells for the astronomical asking price the most expensive home in America. 150 million bucks. It's definitely worth the money and I think someone will buy it. Reporter: Petra ecclestone only bought it for a bargain basement 85 million three years ago. Why did you do this? Why did you buy this house? Firstly it was a great investment and I got a Elie good deal and it's kind of like prime real estate. Reporter: Now she's reportedly tired of L.A. And the largest family homebuilt by TV drama king Aaron spelling, it has six acres, 40 bathrooms, 56,000 square feet. Petra spent 25 million ripping out the chintz and blue wall-to-wall. She kept the two-lane bowling alley but turned candy spelling's doll collection room into a spa. On-site Manny pedi for Petra. Probably not be a full time residence. Reporter: Kirk Rappaport sold the fleur-de-lys mansion for 102 million. Two gigantic mansions under construction might make this place look like a bargain. It's not that badly priced. Reporter: Cheap for those who can afford it. For "Good morning America," nick watt, ABC news, Los Angeles.
This transcript has been automatically generated and may not be 100% accurate.