I’ve visited the sites marked with an asterisk * and can recommend them. But since things change over time, I’d suggest researching sites online when planning your itinerary. (This page is best viewed on a computer or laptop.)
Country
City
Site
Italy
Alessandria
Post Office, by Gino Severini
Italy
Aquilea
Basilica*
Italy
Aquilea
Museum of Archaeology*
Italy
Aquilea
Paleo-Christian Museum*
Italy
Asti
Cathedral
Italy
Brunate
Pebble Pavements
Italy
Cefalu, Sicily
Cathedral*
Italy
Cervia
Floating Carpet Fountain* by Marco Bravura (La Fontana “Il Tappeto Sospesa”)
Italy
Faenza
Civic Museum*
Italy
Florence
Medici Chapel*, S. Lorenzo
Italy
Florence
Opera del Duomo Museum
Italy
Florence
Bargello Museum
Italy
Florence
Museo Pietra Dura*
Italy
Florence
Bobolo Gardens*
Italy
Florence
Cathedral*
Italy
Florence
St. John’s Baptistry*
Italy
Florence
Sant Miniato al Monte, sectile mosaics
Italy
Florence
Pitti Palace, Argenti Museum
Italy
Florence
Uffizi Gallery*
Italy
Herculaneum
*
Italy
Lesca
Cathedral
Italy
Milan
Basilica di San Ambrogio*
Italy
Milan
Caffe Zucca
Italy
Milan
Chapel of Sant Aquilino
Italy
Milan
Galleria Strasburgo
Italy
Milan
Palazzo dell Arte
Italy
Milan
Palazo di Giutizia
Italy
Milan
San Lorenzo Maggiore*
Italy
Milan
Teatro Filodrammatici
Italy
Murano
Church of Santi Maria e Donato*
Italy
Naples
Museo Nazionale*
Italy
Naples
San Gennaro Cathedral
Italy
Orvieto
Cathedral*
Italy
Otranto
Cathedral*
Italy
Palermo, Sicily
La Martorana*
Italy
Palermo, Sicily
Royal Palace *
Italy
Palermo, Sicily
Palatine Chapel*, Norman Palace
Italy
Palestrina
Museo Nazionale Archeologico Prenestino *
Italy
Parenzo
Cathedral
Italy
Piazza Armerina, Sicily
Roman Villa Casale*
Italy
Pisa
Cathedral
Italy
Pomposa
Cathedral
Italy
Pompeii
*
Italy
Ostia
Ostia Antica*
Italy
Ravenna
Link to Ravenna Tourism Resources
Italy
Ravenna
Mausoleo Galla Placidia*
Italy
Ravenna
National Museum*
Italy
Ravenna
Parco della Pace*
Italy
Ravenna
Saint Appolinare en Classe* (outside of Ravenna)
Italy
Ravenna
Saint Appolinare Nuovo*
Italy
Ravenna
San Giovanni*
Italy
Ravenna
San Vitale*
Italy
Ravenna
Ardea Purpurea by Marco Bravura*
Italy
Rome
Anglican-Episcopal Church of St Paul’s Within the Walls*, by Edward Burne-Jones
Italy
Rome
San Clemente*
Italy
Rome
Baths of Caracalla*
Italy
Rome
Santa Prassede*
Italy
Rome
Foro Italico*
Italy
Rome
Esposizione Universale
Italy
Rome
Palazzo Corsini
Italy
Rome
Museo Napoleonico*
Italy
Rome
Museo Pigorini
Italy
Rome
Santa Maria in Cosmedin*
Italy
Rome
Galleria Borghese*
Italy
Rome
Sant’ Agostino*
Italy
Rome
Palazzo Massimo
Italy
Rome
Basilica of Junius Bassus, sectile mosaics
Italy
Rome
Basilica Santa Croce, Gerusalemme*
Italy
Rome
Santa Pudenziana*
Italy
Rome
St Peters*
Italy
Rome
Museo Capitolino*
Italy
Rome
Santa Sabina
Italy
Rome
S Tommasso in Formis
Italy
Rome
Museo Capitolino*
Italy
Rome
Basilica S Lorenzo al Verano*
Italy
Rome
S Giovanni Laterano*
Italy
Rome
Lateran Museum
Italy
Rome
Santa Maria in Dominica*
Italy
Rome
Basilica San Marco*
Italy
Rome
Santi Cosma e Damiano*
Italy
Rome
St Lorenzo-fuori-la-mura*
Italy
Rome
Santa Cecilia in Travestere*
Italy
Rome
Santa Maria in Travestere*
Italy
Rome
Santa Maria in Aracoeli, cosmati mosaics
Italy
Rome
Santa Prassede*, Chapel of San Zenone
Italy
Rome
Sant’ Agnese fuori le Mura*
Italy
Rome
Santa Maria Maggiore*
Italy
Rome
Santa Costanza*
Italy
Rome
Vatican Museum*
Italy
Rome
Vatican Grottos
Italy
Rome
Monumenti e Gallerie Pontifici*
Italy
Rome
Chigi Palace*
Italy
S.Agata Feltria
Snail fountain by Marco Bravura
Italy
San Prisco
La chiesa de Santa Matrona
Italy
Sardinia
Maria Grazia Brunetti
Italy
Siena
Cathedral, sectile mosaics*
Italy
Spoleto
Cathedral*
Italy
Near Tarquinia
Giardino de Tarocchi*, by Niki de Saint Phalle
Italy
Tivoli
Hadrian’s Villa*
Italy
Torcello
Santa Maria Assunta*
Italy
Trieste
San Giusto*
Italy
Venice
San Marco*
Italy
Venice
Casino, Lido
Italy
Venice
Palazzo Barbarigo
Italy
Venice
Salviati Firm Headquarters on the Grand Canal*