Billionaire Bill Koch has put his 16,600-square-foot log mansion on 52 acres in Aspen up for sale for $125 million.

Business Insider's reporter spent five days in Aspen, where she saw a Champagne-sabering ceremony and a dispensary selling ...

A sprawling Colorado estate long owned by billionaire businessman, sailor, and avid art and wine collector William “Bill” ...

Forbes said the 84-year-old lives in Florida with a real-time net worth of $2 billion — and after this house sale, he’ll be a ...

A fully furnished home in Aspen, Colo., that hit the market last year for $60 million is now returning to market, this time ...

Software entrepreneur Mark Schaszberger and his wife, Trami Tran, have listed their Bethesda mansion, by far the largest ...

The property, at 125 Rooney Circle, boasts a rustic main residence with 16,631 square feet with seven bedrooms and eight ...

A popular restaurant in downtown Aspen was converted into a luxurious six-bed, 10-bath private home with a rooftop terrace ...

The energy mogul is looking to cash in on Aspen’s red-hot luxury market by offering up his massive property that’s replete ...