San Carlo alle Quattro fontane is a tiny church not far from Via Nazionale. It is one of the masterpieces of the roman baroque. It was realised by Borromini from 1634 to 1644, but the facade has been completed several years later. The romans call this church with the name of San Carlino (small San Carlo) because of its small dimensions: it is so small that the entire church could be fit inside one of the fours pillars which sustain the dome of Saint Peter. The dome is wonderful and imaginative: there are geometric shape like hexagons and octagons alternated with crosses. Have a look at the small intersection in front of the church: this is the only point in Rome where you can see three obelisks at the same time. They are: the obelisk of Piazza del Quirinale, the one in Trinità dei Monti and the one at the back of the church of Saint Mary Major.
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| The dome of St. Charles at the Four Fountains |
