The Schinasi Mansion
Designed by architect William Burnet Tuthill, the Schinasi Mansion is the only private freestanding home left in Manhattan. There is some beautiful marble work inside this home. You can see the marble panels here with a beautiful mosaic pattern.
http://www.nytimes.com/1997/05/04/realestate/the-marble-manor-that-turkish-tobacco-built.html
