This mansion may become the most expensive house ever sold at auction

A 20,000-square-foot mansion in California is up for auction — and with an asking price of $160 million, it is could become the most expensive home ever to go under the hammer.

A 20,000-square-foot mansion in California is up for auction — and with an asking price of $160 million, it is could become the most expensive home ever to go under the hammer.