San Paolo alla Regola

Santa Maria in Monticelli is a church in the rione of Regola in Rome, sited on the street of the same name. A church was founded at the site in the 12th century and reconsecrated by Innocent II in 1143. It was known as Sancta Maria in Monticellis Arenulae de Urbe, in a bull by Urban IV in 1264. Little remains of the medieval church, except for the bell-tower. The church was entirely reconstructed in 1716 by Matteo Sassi, on a commission by Clement XI, and in 1860 by Francesco Azzurri. The church is the home to the Curia Generalizia dei Padri Dottrinari. The church contains a baroque fresco of the Flagellation attributed to Antonio Carracci; a 13th-century painted wooden crucifix attributed to Pietro Cavallini; a Madonna and child with saints by Sebastiano Conca; and a Head of the Redeemer in mosaic fragments of the 12th century. Near the sanctuary of the church is the contemporary shrine of Blessed César de Bus, the French founder of the "Priests of Christian Doctrine" and the patron saint of catechists.

San Salvatore in Campo is a Roman Catholic church located on the small piazza of the same name, not far from the church of Santissima Trinità dei Pellegrini, in the Rione (district) of Regola of central Rome, Italy.

The Chiesa della Santissima Trinità dei Pellegrini (Church of the Most Holy Trinity of the Pilgrims) is a Roman Catholic church located on Via dei Pettinari #36 In the rione of Regola of central Rome, Italy. It stands a block away from the Palazzo Spada on Via Capo di Ferro, while a few blocks away on the Via dei Pettinari stands the Ponte Sisto.

Palazzo Barberini ai Giubbonari, also called Casa Grande Barberini, to distinguish it from the more famous palace in the Trevi district, is a historic palace in Rome. It was the family's first residence in the papal capital and, even after the construction of the palace at the Quattro Fontane, it remained the home of Taddeo, prince of Palestrina, until he fled to France. The palace remained the property of the Barberini family until the fourth decade of the eighteenth century, when they sold it to the Discalced Carmelites, who made it the seat of their General Curia; later passed to the Monte di Pietà, it is now owned by the municipality of Rome and home to educational institutions, including the Vittoria Colonna High School.

The Victory of Sacred Love over Profane Love is a marble relief by Flemish sculptor François Duquesnoy. The patron of the relief is unknown. However, the oeuvre's stucco copy came into the possession of Cardinal Bernardino Spada (1594 – 1661) early on. The original marble relief is currently housed at the Galleria Doria Pamphilj in Rome. A stucco copy is housed at the Galleria Spada in Rome.

The Bacchanal of Putti or Bacchanal of Putti with a Goat is a marble relief by Flemish sculptor François Duquesnoy. The commissioner of this relief is unknown.

The Temple of Neptune (Latin: Aedes Neptuni) was an ancient Roman temple dedicated to Neptune on the Campus Martius near the Circus Flaminius in Rome.

The Altar of Domitius Ahenobarbus (more properly called the Statuary group base of Domitius Ahenobarbus) is a series of four sculpted marble plaques that probably decorated a base supporting cult statues in the cella of a Temple of Neptune located in Rome on the Field of Mars. The frieze is dated to the end of the second century BC, which makes it the second oldest Roman bas-relief currently known. However, there is also a contemporaneous relief depicting a Roman naval bireme with armed marines, from a temple of Palestrina built c. 120 BC.The sculpted panels are still visible today, with one portion on display at the Louvre (Ma 975) and another at the Glyptothek in Munich (Inv. 239). A copy of this second piece can be seen at the Pushkin Museum in Moscow.

Santa Barbara dei Librai is a small Roman Catholic church in Rome, Italy. It was once known as Santa Barbara alla Regola after the rione in which it was located. Today it now considered within the rione of Parione, near the Campo de' Fiori.

San Salvatore in Onda is a Roman Catholic church, located on via dei Pettinari #56-58, in rione Regola of Rome, Italy. The church is about a block southwest along the via from the church of Santissima Trinità dei Pellegrini.

The Palazzo Spada is a palace located on Piazza di Capo Ferro #13 in the rione Regola of Rome, Italy. Standing very close to the Palazzo Farnese, it has a garden facing towards the Tiber river. The palace accommodates a large art collection, the Galleria Spada. The collection was originally assembled by Cardinal Bernardino Spada in the 17th century, and by his brother Virgilio Spada, and added to by his grandnephew Cardinal Fabrizio Spada,

Ponte Garibaldi is a bridge that links Lungotevere De' Cenci to Piazza Giuseppe Gioachino Belli in Rome (Italy), in the Rioni Regola and Trastevere.