For people interested in Renaissance, we suggest a long stay in Florence (two weeks at least).
 
Architecture:
- the church of 
San Lorenzo and the Old Sacresty, the church of 
Santo Spirito and the Sacresty, convent of 
San Marco with Library, the Foundlings 
Hospital of the Innocenti, the 
Pazzi Chapel, the Gondi Palace, tha Strozzi Palace, the
 Medici Palace, the Rucellai Palace, the facade of the church 
Santa Maria Novella, the 
Dome of Santa Maria del Fiore and so on.  
Sculpture: 
- 
Bargello Palace (National Museum of Sculpture), 
Museum Opera del Duomo, the Crucifix by Brunelleschi in the church of
 Santa Maria Novella, the Crucifix by Donatello in the church of 
Santa Croce etc.
Painting: 
- the 
Brancacci Chapel by Masaccio (frescoes), the Holy Trinity by Masaccio in the Church of 
Santa Maria Novella (fresco), the altar chapel in the church S. M. Novella (frescoes by Domenico Ghirlandaio), the Sassetti Chapel in the church 
Santa Trinita (frescoes by D. Ghirlandaio), the 
Magi Chapel in the 
Medici Palace (frescoes by Benozzo Gozzoli), frescoes by Paolo Uccello and Andrea del Castagno in the 
Duomo of Florence, the
 Last Suppers by Ghirlandaio, A. del Castagno.
More painting (frescoes and panels) in the: 
Uffizi Gallery, 
Pitti Palace, 
Accademy of Fine Art, Convent of 
San Marco and in any other church and Museum of Florence.
 
For opening hours of Museums and Churches, see the  Museums TTables.