a) The Biltmore Estate
The Biltmore Estate, built by the Vanderbilts, is a lavish Gilded Age mansion that symbolizes the era’s immense wealth. Completed in 1895 in Asheville, North Carolina, this grand estate is the largest privately-owned house in the United States. Its construction reflected the enormous wealth accumulated by the Vanderbilt family and others during the Gilded Age, and it remains a prominent example of the opulence and luxury that characterized the lifestyles of the era’s ultra-wealthy elite.