Series offers a tour inside America's mansions from hidden vaults in the Hearst Castle, to the private Bachelor's Wing at the Biltmore Estate, to a state-of-the-art San Francisco palace wher... Read allSeries offers a tour inside America's mansions from hidden vaults in the Hearst Castle, to the private Bachelor's Wing at the Biltmore Estate, to a state-of-the-art San Francisco palace where the lights, music and climate are controlled by a smart phone.Series offers a tour inside America's mansions from hidden vaults in the Hearst Castle, to the private Bachelor's Wing at the Biltmore Estate, to a state-of-the-art San Francisco palace where the lights, music and climate are controlled by a smart phone.