William C. Ralston House - Credit: Wikimedia Commons
Ralston Hall Mansion located in Belmont, California, was the country house of William Chapman Ralston, a San Francisco businessman, a founder of the Bank of California, and a financier of the Comstock Lode. It is an opulent Italianate Villa, modified with touches of Steamboat Gothic and Victorian details. It is a California Historical Landmark and is designated a National Historic Landmark. It is now part of Notre Dame de Namur University. Read more on Wikipedia
Source: en.wikipedia.org