These six houses are the only ones unaffected by a magnitude 8 earthquake in San Francisco, so they are known as the Six Sisters. So far, the house is still inhabited, which shows that it is a blessed place. Whether it's on San Francisco's landscaping postcards, calendars, magnets, T-shirts, music boxes, Keyrings and other souvenirs, you can surely see six sisters. Six sisters line up next to Alamo Square Park from top to bottom. This is Queen Anne-style house in Victorian times, known as Painted Ladies. Behind the six sisters is downtown San Francisco, with Alamo Square in the vantage point and excellent vision.