The Winchester Mystery House is a mansion in San Jose, California that was once the personal residence of Sarah Winchester, the widow of firearm magnate William Wirt Winchester.

Le Petit Trianon is a historic mansion located in Cupertino, California.

Rispin Mansion is an opulent estate located in the seaside town of Capitola, California.

Kohl Mansion, a remarkable historic estate located on the San Francisco Peninsula.

The Spreckels Mansion is a French chateau-style mansion in Pacific Heights, San Francisco.

Bloss Mansion is an architectural piece showcasing the American Craftsman style.

The Governor's Mansion State Historic Park is an opulent Victorian-era home.

Hearst Castle is a National Historic Landmark and California Historical Landmark mansion located on the central coast of California, United States.

Fleur de Lys is among the largest and most lavish residences in Holmby Hills, Los Angeles.