W hen Kansas-born Bill Koch was a newcomer to Cape Cod in the 1970s, he was a frequent guest at the summer home of banking ...

The luxury waterfront property in Osterville, Massachusetts, formerly belonged to famed gardener Bunny Mellon and her husband ...

A waterfront estate with ties to one of America’s most iconic tastemakers has just hit the market. The Cape Cod property ...

Christie's is hosting an auction of Bill Koch's wine collection, which is estimated to bring in an upwards of $21 million.

Billionaire Bill Koch has listed his expansive Aspen estate ... including homes in New York City, Palm Beach and Cape Cod. He also owns a 4,500-acre Colorado ranch featuring a 75-building replica ...

Bill Koch, who made headlines by suing wine counterfeiters and auction houses, is consigning 7,000 bottles of rare wines in a ...

When Kansas-born Bill Koch was a newcomer to Cape Cod in the 1970s, he was a frequent guest at the summer home of banking heir Paul Mellon and his wife, the famed gardener Rachel “Bunny” Mellon.