Gracie Mansion is a historic house located in Carl Schurz Park, at East End Avenue and 88th Street in the Yorkville neighborhood of Manhattan.

The Andrew Carnegie Mansion is a grand, Georgian-style building located on Fifth Avenue in New York City.

The Otto H. Kahn House is a prime example of Italian Renaissance architecture on Manhattan's Upper East Side.

The Felix M. Warburg House is a historical mansion located in the Upper East Side of Manhattan, New York City.

The Benjamin N. Duke House, a terrace house mansion located on 1009 Fifth Avenue in Manhattan.

The James B. Duke House is a historical mansion located in Manhattan, designed by prominent architect Horace Trumbauer.

The William A. Clark House was a mansion in Manhattan designed by architects Austin W. Lord and James Monroe Hewlett.

The Edward S. Harkness House is a magnificent New York City Landmark located in Manhattan.

The Henry Clay Frick House is a substantial residential building located on the Upper East Side of Manhattan.

The Harold Pratt House, located on the Upper East Side, is notable for its opulent Beaux-Arts architecture.