The Vanderbilt Mansion in Hyde Park, New York, was built by Frederick Vanderbilt in the 1890s. The 45,000-square-foot Gilded Age mansion is located on 153 acres of land in the Hudson Valley.

New York, a once-majestic estate now stands as a fading monument to Gilded Age excess and modern apathy. Idle Hour—a 70,000-square-foot Vanderbilt mansion completed in 1901—once symbolized the ...

Today, their properties and legacy buildings in New York hide the secrets and lesser-known facts of a dynasty that shaped America. In this episode of The SpeciaList, Consuelo Vanderbilt Costin ...