sentences:  Alfred E. Clarke Mansion
  
  The Alfred E. Clarke Mansion, also known as Caselli Mansion, Nobby Clarke's Castle and Nobby Clarke's Folly, is a mansion in San Francisco, California, located at 250 Douglass Street in the Castro neighborhood.The Clarke Mansion survived the 1906 San Francisco earthquake and subsequent fires which had destroyed many of the Victorian mansions from the same era.