Winters in Colorado are cold, but real estate in the Centennial State is anything but. One of the billionaire Koch brothers is trying again to sell his lavish Aspen compound, this time for its ...

Bill Koch, a billionaire oil and investments mogul ... he paid for his 52-acre mountain estate in celebrity-studded Aspen, Colorado in 2007 and his asking price of $125 million, The Wall Street ...

Be the first to know about the biggest and best luxury home sales and listings by signing up for our Mansion Deals email alert. After selling a portion of his Elk Mountain Lodge estate in Aspen, Colo.