Italy - Piazza del Duomo, Pisa

"Standing in a large green expanse, Piazza del Duomo houses a group of monuments known the world over. These four masterpieces of medieval architecture – the cathedral, the baptistry, the campanile (the 'Leaning Tower') and the cemetery – had a great influence on monumental art in Italy from the 11th to the 14th century." 

Source: UNESCO World Heritage

Pisa is world famous for the Leaning Tower of Pisa. Other buildings are the Baptistry and Church of Piazza Dei Miracoli.