I've toured 8 historic Gilded Age mansions. Here are the most extravagant displays of wealth I've seen.

Source: Business Insider

The dining room at Marble House. Gavin Ashworth — The Preservation Society of Newport CountyI've toured eight Gilded Age mansions in Newport, Rhode Island, and the Hudson Valley, New York. The mansions feature incredible displays of wealth such as walls covered in gold and silver.