Andrew Carnegie secretly purchased the land for his mansion in c.1898 during NYC's Gilded Age. Built in c.1903. Carnegie's UES mansion at 91st and 5th, is now the location for the Cooper-Hewitt National Design Museum.Andrew Carnegie secretly purchased the land for his mansion in c.1898 during NYC's Gilded Age. Built in c.1903. Carnegie's UES mansion at 91st and 5th, is now the location for the Cooper-Hewitt National Design Museum.
Andrew Carnegie secretly purchased the land for his mansion in c.1898 during NYC's Gilded Age. Built in c.1903. Carnegie's UES mansion at 91st and 5th, is now the location for the Cooper-Hewitt National Design Museum.