Saint Peter's Square. Rome. Italy...

 St. Peter's Square is a massive plaza located directly in front of St. Peter's Basilica in the Vatican City, the papal enclave surrounded by Rome, directly west of the neighbourhood or rione of Borgo.

 At the centre of the square is a four-thousand-year-old Egyptian obelisk, erected at the current site in 1568. Gian Lorenzo Bernini designed the square almost 100 years later, including the massive Tuscan colonnades, four columns deep, which embrace visitors in "the maternal arms of Mother Church." A granite fountain constructed by Bernini in 1675 matches another fountain designed by Carlo Maderno dating to 1613.

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Venice, Italy...

Colosseum, Rome, Italy...

Florence. Palazzo Vecchio. Palazzo Pitti...

The Palazzo Vecchio (Italian pronunciation: [paˈlattso ˈvɛkkjo] "Old Palace") is the town hall of Florence, Italy. This massive, Romanesque, crenellated fortress-palace is among the most impressive town halls of Tuscany. Overlooking the Piazza della Signoria with its copy of Michelangelo's David statue as well as the gallery of statues in the adjacent Loggia dei Lanzi, it is one of the most significant public places in Italy.

Originally called the Palazzo della Signoria, after the Signoria of Florence, the ruling body of the Republic of Florence, it was also given several other names: Palazzo del Popolo, Palazzo dei Priori, and Palazzo Ducale, in accordance with the varying use of the palace during its long history. The building acquired its current name when the Medici duke's residence was moved across the Arno to the Palazzo Pitti.

Castello Sforzesco...