The palace was built by Bonifacio Caetani in 1560 on the fortress of the Frangipane, of which you can still see the Roman well and the square tower. Its sixteenth century simple style is characterized by a few basic shapes and decorative elements. It is located on the highest point of the ancient village which is accessed through the arch called "Porta Agrippina". It has been noble place of shelter along the Appia for travellers and a prestigious meeting place for hunts by rich cardinals, popes and princes from all over Europe. The hospitality of the Caetani was famous. The palace was destroyed by bombing in 1944 and half rebuilt. The Palace is owned by the city and is home to artistic and cultural events.