See inside Marble House, Alva Vanderbilt Belmont's 140,000-square-foot Newport mansion that appears in 'The Gilded Age'

Source: Business Insider

Marble House is in Newport, Rhode Island. Alexander Nesbitt — The Preservation Society of Newport CountyMarble House was completed in 1892 as a summer home for William K. Vanderbilt and Alva Belmont.