Self-guided Sightseeing Tour #16 in Rome, Italy

A hydrochronometer is a kind of water clock.

Wikipedia: Hydrochronometer (EN)

The Pincian Obelisk is one of the thirteen ancient obelisks in Rome, located in Bucharest Square, along the Avenue of the Obelisk (Pincian Hill).

Wikipedia: Obelisco del Pincio (IT)

Santa Maria in Montesanto is a titular minor basilica church in Rome, in the Rione Campo Marzio, which stands in Piazza del Popolo, between Via del Corso and Via del Babuino. It is also known as the Church of the Artists. The church is popularly known as the twin church of Santa Maria dei Miracoli, though it shows significant differences especially in the planimetry.

Wikipedia: Santa Maria in Montesanto (Rome) (EN), Website

The church of Santa Maria dei Miracoli is a church in Rome, in the Campo Marzio district, in Piazza del Popolo, between Via del Corso and Via di Ripetta, or at the top of the Trident. It is popularly known as the twin church of Santa Maria in Montesanto, although the two structures differ mainly in their planimetric layout.

Wikipedia: Chiesa di Santa Maria dei Miracoli (Roma) (IT)

The Fontana del Nettuno is a monumental fountain located in the Piazza del Popolo in Rome.

Wikipedia: Fontana del Nettuno, Piazza del Popolo (EN)

San Gioacchino ai Prati Castello is a church in Rome dedicated to Saint Joachim, the father of Mary, mother of Jesus. Construction began in 1891 and the building was opened to the public in 1898. It was consecrated on 6 June 1911 by Cardinal Pietro Respighi. Pope John XXIII made it a cardinal's titular church in 1960.

Wikipedia: San Gioacchino ai Prati di Castello (EN)

The Fontana della Piazza dei Quiriti is a fountain in the Piazza dei Quiriti in Rome, in the middle of the Prati rione. The plaza is named after the inhabitants of the city of Cures, the Curites or later Quirites, namely the Sabines, who became inhabitants and co-founders of Rome. Another theory derives the name from the god Quirinus, a Roman deity.

Wikipedia: Fontana della Piazza dei Quiriti (EN)

The Historical Museum of the Carabinieri is located in Piazza del Risorgimento 46 in Rome, in the Prati district, a few steps from the Vatican.

Wikipedia: Museo storico dell'Arma dei carabinieri (IT)

The necropolis of Santa Rosa, which is part of the Roman necropolis of the Via Triumphalis, is a Roman necropolis discovered in 2003 in Vatican City during the construction of the Santa Rosa parking lot.

Wikipedia: Necropoli di Santa Rosa (IT)

The new Vatican Pinacoteca is a pinacoteca that is part of the Vatican Museums. It was inaugurated on 27 October 1932 in the building built by the architect Luca Beltrami, specifically to house the art gallery, at the behest of Pope Pius XI.

Wikipedia: Pinacoteca vaticana (IT)

Wikipedia: Pignone (IT)

The Gregorian Egyptian Museum is one of the Vatican Museums.

Wikipedia: Григорианский Египетский музей (RU)

The church of Santa Maria delle Grazie al Trionfale is a church in Rome, in the Trionfale district, in Piazza Santa Maria delle Grazie.

Wikipedia: Santa Maria delle Grazie a Via Trionfale (EN), Website

The Madonna della Pietà, informally known as La Pietà, is a marble sculpture of Jesus and Mary at Mount Golgotha representing the "Sixth Sorrow" of the Blessed Virgin Mary by Michelangelo Buonarroti, now in Saint Peter's Basilica, Vatican City. It is a key work of Italian Renaissance sculpture and often taken as the start of the High Renaissance.

Wikipedia: Pietà (Michelangelo) (EN)

The Cappella Paolina is a chapel in the Apostolic Palace, Vatican City. It is separated from the Sistine Chapel by the Sala Regia. It is not on any of the regular tourist itineraries.

Wikipedia: Cappella Paolina (EN)

The four Raphael Rooms form a suite of reception rooms in the Apostolic Palace, now part of the Vatican Museums, in Vatican City. They are famous for their frescoes, painted by Raphael and his workshop. Together with Michelangelo's Sistine Chapel ceiling frescoes, they are the grand fresco sequences that mark the High Renaissance in Rome.

Wikipedia: Raphael Rooms (EN)

Vatican City, officially the Vatican City State, is a landlocked sovereign country, city-state, microstate, and enclave within Rome, Italy. It became independent from Italy in 1929 with the Lateran Treaty, and it is a distinct territory under "full ownership, exclusive dominion, and sovereign authority and jurisdiction" of the Holy See, itself a sovereign entity under international law, which maintains the city-state's temporal power and governance, diplomatic, and spiritual independence. The Vatican is also a metonym for the pope, the city-state's and worldwide Catholic Church government Holy See, and Roman Curia.

Wikipedia: Vatican City (EN)

The dome of St. Peter's forms the roof of the cross of St. Peter's Basilica in the Vatican.

Wikipedia: Cupola di San Pietro (IT)

The sacristy of St. Peter's is located on the southern side of the basilica of the same name, inside Vatican City.

Wikipedia: Sagrestia di San Pietro in Vaticano (IT)

The Church of Our Lady of Mercy in the Teutonic Cemetery is a Roman Catholic church in the rione Borgo of Rome, Italy. It is located on the Via della Sagrestia.

Wikipedia: Santa Maria della Pietà in Camposanto dei Teutonici (EN)

The Paul VI Audience Hall, also known as the Hall of the Pontifical Audiences, is a building in Rome named for Pope Paul VI with a seating capacity of 6,300, designed in reinforced concrete by the Italian architect Pier Luigi Nervi and completed in 1971. It was constructed on land donated by the Knights of Columbus.

Wikipedia: Paul VI Audience Hall (EN)

The Church of Mary, Mother of the Family is a Catholic place of worship located within Vatican City, in Largo San Matteo, in the Vatican Gardens, adjacent to the Governorate Palace. Note that the exact name of the Church is "Mary, Mother of the Family". The wording "Santa Maria Regina della Famiglia" is not exactly correct.

Wikipedia: Chiesa di Santa Maria Regina della Famiglia (IT)

Saint Stephen of the Abyssinians is an Ethiopian Catholic church located in the Vatican City. The church dedicated to Stephen the Protomartyr is the national church of Ethiopia. The liturgy is celebrated according to the Alexandrian rite of the Ethiopian Catholic Church. It is one of the only standing structures in the Vatican to survive the destruction of Old St. Peter's Basilica (c. 1505), and thus it is the oldest surviving church in Vatican City.

Wikipedia: Santo Stefano degli Abissini (EN)

Grotta di Lourdes is an artificial cave in the Vatican gardens. It was built in 1902–05 and is a replica of the Lourdes Grotto in France. The context of building this grotto is the vision of the Madonna that a young girl, Bernadette Soubirous, experienced 18 times. Prior to that the Pope had promulgated the dogma of the Immaculate Conception in 1854.

Wikipedia: Grotta di Lourdes (EN)

Vatican Hill is a hill in Rome, located on the right bank of Tiber river, opposite to the traditional seven hills of Rome. The hill also gave the name to Vatican City. It is the location of St. Peter's Basilica.

Wikipedia: Vatican Hill (EN)

The church of Santa Maria del Riposo is a small church in Rome, in the Aurelio district, at the intersection of Via Aurelia and Via della Madonna del Riposo.

Wikipedia: Chiesa di Santa Maria del Riposo (IT)

The Church of San Leone Magno is a church in Rome, in the Aurelio district, in Via di Boccea 60.

Wikipedia: Chiesa di San Leone (Roma) (IT)

Sant'Ambrogio is a Roman Catholic place of worship in Rome, in the Aurelio district, in Via Girolamo Vitelli.

Wikipedia: Chiesa di Sant'Ambrogio (Roma) (IT)

The church of San Giuseppe Cottolengo is a parish church in Rome, Italy.

Wikipedia: Chiesa di San Giuseppe Cottolengo (Roma) (IT)