Viterbo, whose Medieval peperino stone walls and San Pellegrino Quarter are the best preserved in Europe, also known as Città dei Papi, with its Papal Palace, venue of the first papal conclave in the 13th century.
Orte and its underground fountain, cisterns, dovecotes and snow well
Montefiascone whose formidable fortress was home to the siege of the Patrimony of St. Peter’s Rector, then a papal summer residence
Barbarano Romano and Blera with their wooded valleys crammed with Etruscan antiquities for the joy of trekkers
Tuscania and its almost archaic Romanesque churches of San Pietro and Santa Maria Maggiore on the gently rolling Rivellino Hill, where views over the Marta Valley were greatly appreciated by D.H. Lawrence
Civita di Bagnoregio, the “Dying City”, tremors unstable on its rocky foundations in the Calanchi valley
Castel S. Elia and its secluded national monument, the Romanesque Basilica S. Elia