Architecture of Rome huge and majestic Baroque squares (often adorned with obelisks), many of which were built in the 17th century. The principal squares are Piazza Navona, Piazza di Spagna, Campo de' Fiori, Piazza Venezia, Piazza Farnese and Piazza della Minerva. One of the most emblematic examples of Baroque art is the Fontana di Trevi by Nicola Salvi. Notable 17th-century baroque palaces are the Palazzo Madama, now the seat of the Italian Senate and the Palazzo Montecitorio, now the seat of the Chamber of Deputies of Italy. In 1870, Rome became the capital city of the new Kingdom of Italy. During this time,
Piazza della Scala Piazza della Scala Piazza della Scala is a pedestrian central square of Milan, Italy, connected to the main square of Milan, Piazza del Duomo, by the Galleria Vittorio Emanuele II passage. It is named after the renowned Teatro alla Scala opera house, which occupies the north-western side of the square; the building actually includes both the opera house and the Museo Teatrale alla Scala (La Scala Museum), dedicated to the history of La Scala and opera in general. On the opposite side to "La Scala", to the south-east, is the facade of Palazzo Marino, Milan's city hall. Another relevant building