===Palazzo del Capitano del Popolo===Work on the construction of the Palazzo del Capitano del Popolo began in the 13th century on an area that had been occupied since 1157 by the papal palace built under the reign of Pope Hadrian IV.
Na zidu je napis: "QUOD NATURA MUNIMENTO INVIDERAT INDUSTRIA ADIECIT" (»Kolikor je bila narava skopa, smo nadoknadili s trudom«).