The  Palazzo  Coli  Bizzarrini ,  once  Francesconi ,  dates  in  its  oldest  1520.  The  project  andthe early stages  of  construction  can be traced back  to one  of the  most  famous  architectsof the Renaissance,  Baldassare  Peruzzi , and  the  fulfillment of the work  was made byPietro  Cataneo .
The  status  of  "incomplete"  which  shows off  this  building  as  an element of  uniquenessmakes it  fascinating  and  unusual  than others,  although  beautiful,  in the historical center.In  1906  the  family  Coli  Bizzarrini  It acquires  the  property  value to  them,  thanks  to a longand  rigorous  restoration,  including  the magnificent  interiors  filled with frescoes andvaluable  decorations  that  cover  a  period  of  over  three centuries.