iThe Galleria Colonna is one of Rome's best-kept secrets, partly because it opens to the public only on Saturday mornings. It is still the private home of the Colonna family, who have lived here for over twenty generations, and the gallery they built in the late 1600s is a 76-metre barrel of Baroque extravagance. Gilded mirrors, crystal chandeliers, polychrome marble, and a ceiling frescoed with the Battle of Lepanto (the family's proudest moment, when Marcantonio II Colonna commanded the papal fleet) create an effect somewhere between a museum and a stage set. The art is serious: Bronzino, Tintoretto, Guercino, Guido Reni, Salvator Rosa, Vanvitelli and others line the walls, and a cannonball lodged in the marble staircase during the 1849 siege of Rome has been left in place. The ground-floor Princess Isabelle apartments, on the full route, feel like stepping into someone's exceptionally grand living room, which is essentially what they are. What makes it special is the mix of outstanding painting, over-the-top Baroque architecture, and the sense that you are a guest in a private residence rather than a visitor to a museum.

A terraced Italianate garden climbing the Quirinal, with box hedges, a Rainaldi fountain, ancient Roman sarcophagi and statues, and sweeping views over the rooftops of central Rome.

A former cardinals' apartment hung with six Gobelins tapestries of Alexander the Great's battles, plus Pietro Bracci's marble bust of Pope Benedict XIV and a frescoed Cornucopia Hall ceiling.

The ground-floor private apartment, kept as Princess Isabelle left it: a Vanvitelli room of 37 city views, Jan Brueghel the Elder miniatures and Simon Vouet's portrait of Maria Mancini.

The 76-metre Baroque showpiece: a barrel-vaulted hall of gilt mirrors and chandeliers beneath a Battle of Lepanto ceiling, hung with Guercino, Guido Reni, Tintoretto and Salvator Rosa.
Piazza dei Santi Apostoli 66, 00187 Roma RM, Italy
Nearest station: Piazza Venezia (bus hub), Barberini (Metro Line A) and Cavour (Metro Line B)
Show on map| Mon | Closed |
| Tue | Closed |
| Wed | Closed |
| Thu | Closed |
| Fri | Closed |
| SatToday | 09:15–13:15 |
| Sun | Closed |
From €15
Short route €15 (gallery, Pio pavilion, gardens). Complete route +Princess Isabelle apartment €25. Friday guided complete tour €35. FAI and other reductions; under-12s free on Saturdays.
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