The crossword solutions for the term BILTMORE OR HEARST CASTLE are 'ESTATE, ' which is a six-letter word. Biltmore and Hearst Castle are two of the most famous and luxurious estates in the United States. Biltmore is located in Asheville, North Carolina and was built by George Washington Vanderbilt II in 1895. Hearst Castle is located in San Simeon, California and was built by newspaper magnate William Randolph Hearst in 1919. Both of these estates are renowned for their grandeur and opulence.