Discover the glamorous and long-gone Gilded Age mansions of Fifth Avenue! - See images of Cornelius Vanderbilt's Fifth Avenue mansion, once the largest single residence in NYC - Hear about the glittering "Fancy Dress Ball" thrown at Alva Vanderbilt's Richard Morris Hunt designed "Petit Chateau - Discover the "modest" brownstone from which Mrs. Astor ruled NYC's high society - Find out which mansions are now used as a jewelry store, a museum, embassies, and more! About this Talk The Vanderbilts, the Astors, and the Beekmans are just a few of the notable New York families who once resided on Manhattan's fashionable Fifth Avenue. During the Gilded Age, Fifth Avenue was lined with extravagant mansions built for the wealthiest New Yorkers by start architects of the age. In this talk, the third in our Lost New York series, Untapped New York's Chief Experience Officer Justin Rivers will resurrect some of the magnificent mansions on Millionaire's Row that no longer stand. Rivers will bring these glamorous abodes back to life with stunning historical images and scintillating stories of the affairs that took place inside.