This post outlines my personal top five sites for my next visit to Rome. Unlike a list for a first-timer, this itinerary assumes more leisure time and dives deep into personal interests. We'll explore the hidden 9th-century mosaics of Santa Prassede, the stunning sculpture of Santa Cecilia in Trastevere, the Baroque masterpieces of the Borghese Gallery, the layered history of the Capitoline Hill, and the revolutionary art of Caravaggio in San Luigi de' Francesi.

One of the most fascinating types of churches in Rome are the titular churches — churches that were once house-churches, and still today...