Ultimate Guide To the Pantheon in Rome Italy

Here’s my guide to visiting the Pantheon in Rome Italy, with must know tips for visiting.

Without a doubt, the Pantheon is the most famous and best preserved monument from ancient Rome. It’s the only piece of Imperial architecture left intact. 

the Pantheon, a must see site in Rome

The Pantheon is a grand survivor in the Eternal City, in which time seems to collapse. The Pantheon is a microcosm of Rome, with both pagan and Christian identities spanning centuries.

The Pantheon is a breathtaking work of ancient Roman architecture and engineering, a highlight even in Rome’s overwhelming cultural stimulus package.

To walk through the portico, through the massive doors, and gaze up at the soaring dome is an almost spiritual experience.

It’s well worth a visit every time you visit Rome. Even if it’s packed with crowds, you can still have a mystical experience.

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History of the Pantheon

1. Agrippa’s Original

The Pantheon was originally built by Marcus Agrippa in 27 BC. Agrippa was the Emperor Augustus’ right hand man, general, admiral, and son-in-law.

With this edifice, Agrippa wanted to celebrate His (and Augustus’) victory at Actium over Antony and Cleopatra.

The Pantheon was a temple dedicated to all of the gods, all Roman deities. Agrippa’s original version was destroyed by fire in 80 AD.

Domitian rebuilt the Pantheon. But his version was felled by lightening.

Today, the Pantheon is still emblazoned with Agrippa’s name. But that’s very misleading. Agrippa had been dead for more than a century when the current majestic building was completed.

the Pantheon
Famous Pantheon in Rome, Italy

2. Who Was The Pantheon’s Architect?

There is a bit of mystery surrounding the origins of the Pantheon we see today.

We known (from brick dating) that it was completed in 120-128 AD, during the reign of Emperor Hadrian.

Some historians believe that his predecessor, the military-minded Emperor Trajan, kickstarted the rebuilding project.

The historical documentation on design and attribution is sketchy. Most of the credit goes to Hadrian, who was himself an amateur architect.

1734 painting of the Pantheon by Giovanni Paolo Panini
18th century painting of the Pantheon by Giovanni Paolo Panini in the National Gallery of Art in Washington D.C.

Hadrian was a well-traveled emperor, a true Grecophile. He reimagined the Pantheon as an oversized Greek temple — with 40 foot tall Corinthian granite columns from Egypt, a pediment, and portico.

Hadrian may have drawn inspiration from Nero’s Golden House, which has a striking oculus. The Pantheon was considered a masterpiece of engineering and mathematical precision.

READ: Guide To Hadrian’s Villa in Tivoli

3. Hadrian and Apollodorus

Hadrian likely designed the Pantheon in conjunction with Apollodorus of Damascus. He was a famous Greek architect who built Hadrian’s Column and Trajan’s Forum.

oculus of the Pantheon
oculus of the Pantheon

Legend holds that Hadrian later banished and executed Apollodorus. The Greek made the fatal mistake of disparaging Hadrian’s artistic and engineering ability. Hadrian was notoriously sensitive to criticism.

Originally, the Pantheon had a large rectangular courtyard in front. It was surrounded by porticos, known as a quadraporticus.

The intent was to create suspense for those entering the Pantheon. The courtyard is long gone.

4. What Was the Pantheon Used For?

What was the Pantheon used for?

It likely served as a dynastic sanctuary, an assembly hall where the public could gather. Hadrian would have “held court” on a throne to oversee the public meetings.

5. How Did the Pantheon Survive?

The Pantheon is still in fantastic shape. How did it survive so much better than other ruins in Rome?

It’s likely due to the the fact that, after the fall of Rome, Pope Boniface IV rededicated the Pantheon as a Christian church in 609. This helped save it from looting, for awhile at least The church protected its asset.

But the Pantheon is also still standing because of the well-bonded concrete used to build it. More on that below.

6. Looting of the Pantheon

But eventually the interior, marble, and gold were all looted in the 7th century. (The marble floor is now lovingly recreated.)

the Pantheon when it had bell towers
the Pantheon when it had bell towers

Even the popes did some looting, not being terribly enamored with what was once a pagan monument. Pope Urban VIII, a Barberini pope, removed bronze beams from the portico of the Pantheon, probably for canon balls.

One critic said “What the barbarians did not do, the Barberini did.”

7. The Bell Tower Debacle

In the 17th century, two bell towers were added to the top of the Pantheon. They’re typically mis-attributed to the great sculptor and architect Gian Lorenzo Bernini.

Records show Bernini repeatedly refused to alter the Pantheon. The towers were likely installed by the architects Maderno and Borromini.

READ: Guide To the Bernini Trail in Rome

Fountain of the Pantheon

Guide To The Pantheon: What To See

Here are the top things to see when visiting the Pantheon:

1. Pantheon Fountain in Piazza della Rotuna

The Fontana del Pantheon was commissioned by Pope Gregory XIII. It’s the centerpiece of the Piazza della Rotonda, in which the Pantheon sits. The fountain was designed by Giacomo della Porta and sculpted by Leonardo Sormani.

In 1711, Pope Clement XI commissioned the young sculptor Filippo Barigoni to radically alter design. An ancient Egyptian obelisk, dating back to the reign of Rameses II, was installed on a plinth in the center.

The plinth was decorated with four water-spouting dolphins and the pope’s coat of arms. Barigoni also created a new base for the fountain.

In 1866, the fountain was restored. The marble figures were moved to the Museum of Rome and replaced by copies.

2. Exterior Facade and Portico

The Panthon’s basic design is relatively simple. There’s a portico, or porch, with free standing columns attached to a domed rotunda.

facade of the Pantheon

The facade is imposing. Giant 23 foot tall bronze doors mark the entry way. They’re not original; they’re from the 15th century.

The original doors were painted in gold. They may have been flanked by statues of Augustus and Agrippa in alcoves.

On the portico, you’ll find a forest of sixteen columns that are 47 feet high. The Corinthian columns are massive and monolithic, weighing 60 tons each. It takes 3-4 people to wrap their arms around one column.

The columns were fashioned from a single shaft of red and gray Egyptian granite. Imagine the difficulty of transporting them from Egypt to Rome, schlepping them on wooden sledges and barges.

The columns hold up the triangular pediment. The pediment once contained a large bronze relief of an eagle, the symbol of Rome and the God Jupiter.

That was ripped out by Pope Urban VIII as well. You can see the holes where it once was installed.

inscription to Marcus Agrippa on the Pantheon pediment
inscription to Marcus Agrippa on the Pantheon pediment

The lower part of the pediment proclaims, in Latin “M.AGRIPPA.L.F.COS.TERTIUM.FECIT.” Translated, this means “Marcus Agrippa, three times consul made this.”

This engraving was likely a remnant left over from Agrippa’s original building. Or, Hadrian had it chisled on the building to tip his hat to Augustus.

It was likely a tactic to reinforce the the cult of Augustus. By proclaiming his connection to the Augustan regime, Hadrian was associating himself with the glory that came with it.

The exterior of the rotunda was covered in stucco, marble paneling, and perhaps even travertine. The Pantheon sits somewhat sunken into the floor. Over time, the street level has risen around the building.

The walls were once strengthened by blind brick arches to support the dome. You can see traces of the arches on the exposed brickwork.

beautiful interior of the Pantheon

3. Interior

The interior of the Pantheon is one of perfect harmony and symmetry. It’s spherical, 142 feet in height and diameter, with a 1:1 proportion.

You can see the Roman obsession with geometry in the circles and squares that predominate, particular on the floor, which was restored in the 19th century. Geometry was intended to symbolize order within the Roman Empire.

The interior of the Pantheon, like many buildings in Rome, was given a Baroque facelift. So the decoration is mostly from the Baroque era.

But, ironically, the ancient Romans loved splashy, even gaudy decoration too. Many ancient Greco-Roman temples, like Athen’s Parthenon, were brightly painted and decorated with polychrome marble. So perhaps the Pantheon doesn’t look so different than it might have in Hadrian’s time.

Niches and columns alternate on the walls. The seven niches used to hold statues of pagan gods. Those are long gone.

Now, the niches hold frescos and tombs of famous Romans and priests. The most famous pieces are the Madonna of the Girdle, The Assumption, and sculptures of St. Anne and St. Anastasio.

interior and dome of the Pantheon
interior and dome of the Pantheon

4. Dome | Rotunda

The Pantheon’s most emblematic feature is its perfect unsupported spherical dome, symbolizing the vault of heaven. It’s the largest unreinforced masonry dome every built.

The dome is a hemispherical coffered dome. A coffer is an ornamental sunken panel. Each coffer in the Pantheon is like a mini-dome. The coffers were originally painted blue with gold stars.

At the time, the dome was a major architectural breakthrough. How’d the Romans do it?

They invented the use of poured concrete. The concrete was made with a recipe of limestone, sand, water, and volcanic ash from Mt. Vesuvius.

coffered ceiling of the Pantheon dome
coffered ceiling of the Pantheon dome

The builders would create a massive wooden form or model, then pour in the concrete and let it dry.

The builders created one ring of poured concrete at a time, slowly building up the dome. Each level had an aggregate mixed in to strengthen the ring — from travertine to clay to pumice.

As they added layers, the aggregates and layers became lighter and thinner. The ceiling was also coffered. This added to the beauty of the dome, but also meant that more weight was eliminated.

When it was first built, the entire exterior of the dome, as well as the interior of the coffered ceiling, was covered in bronze. That bronze was later looted to make the 80 cannons at Castle Sant’Angelo, now Hadrian’s mausoleum.

aerial view of Pantheon dome
aerial view of Pantheon dome

The technology behind the Pantheon dome was lost for centuries after it was built. Domes like this weren’t build again until the early Renaissance.

The famed dome became one of the most imitated pieces of architecture in history. It became the model for Michelangelo’s dome for St. Peter’s Basilica (which was revised and completed by Carlo Maderno) and for Brunelleschi’s dome for Florence Cathedral.

The dome is actually larger than St. Peter’s dome. But you wouldn’t know it because of its flattened exterior appearance.

The Pantheon also influenced Thomas Jefferson. There are similar domes in his home in Monticello, in the University of Virginia’s Rotunda, and in the Jefferson Memorial itself.

5. Drum

The drum is a circular band that negotiates the dome onto the actual base of the structure. It has an alternating band of rectangular relief elements and false windows with pediments.

interior of the Pantheon, with a good look at the drum
interior of the Pantheon, with a good look at the drum

The columns below aren’t aligned with the drum frieze, making it a separate architectural element.

6. Oculus

The most notable engineering feat was the oculus at the top. Standing in the Pantheon, the oculus appears quite small. But it’s actually 30 feet wide.

The oculus functions as what is known as a compassion ring in architectural terms, halting the pull of gravity outward.

The oculus is intended to symbolize a portal to heaven. There’s no windows in the Pantheon. The oculus is the sole source of light.

Rain and snow pour through the oculus, and are carried out by drains in the floor. It’s a beautiful sight. With its oculus, the Pantheon was connected to nature and made almost a living thing.

Historians speculate that the oculus was a sundial. The shaft of light moves throughout the interior and dome over the course of the day.

high altar in the Pantheon
high altar in the Pantheon

7. High Altar

Pope Clement XI remodeled the high altar and the apse. The altar was designed by Alessandro Specchi from 1700-21.

It sits exactly across from the entrance. Its arch mimics the arch at the entrance. The apse is filled with golden mosaics and crosses.

Behind the high altar is a copy of a 13th century Madonna. The niches on both sides features sculptures of St. Rasio and St. Anastasius.

8. Tombs

From the Renaissance onwards, the church became the burial place of notable Italians such as the painter Raphael, composer Arcangelo Corelli, the painter Annabelle Caracci, and the architect Baldassare Peruzzi.

the tomb of Raphael
the tomb of Raphael

There are also the tombs of two Italian Kings, Vittorio Emanuele II and Umberto I (Vittorio’s son). Vittorio’s tomb is marked by an eagle.

Raphael’s Tomb

The most famous tomb is the artist Raphael.

It’s just to the left of the main altar and is adorned with one of his student’s sculptures, Madonna del Sasso. His bronze bust is in a niche above his grave to the left.

The tomb to the right is Raphael’s fiance, Maria Antonietta di Bibbiena, whom he likely never intended to marry.

Raphael died abruptly at just 37 in 1520. Legend and art historian Giorgi Vasari attributed his death to “too much sex.” But Raphael likely died from overwork and the after effects of a stroke or pneumonia.

detail of Raphael's Transfiguration in the Vatican Pinacoteca
detail of Raphael’s Transfiguration in the Vatican Pinacoteca

Upon his death, bells tolled in Rome. A huge procession of mourners bearing his masterpiece

The Transfiguration (now in the Vatican Pinacoteca) carried his body to the Pantheon. Raphael’s tomb was an Angels and Demons filming location in Rome.

READ: Guide To the Raphael Rooms in the Vatican Museums

Vittorio’s Tomb

In 1878, Vittorio Emmanuel II died was buried in the Pantheon. His tomb reads Padre della Patria, which translates to Father of the Fatherland.

It’s unclear why Vittorio was allowed to be buried in the Pantheon. The king wasn’t on good terms with Pope Pius IX, who excommunicated him and refused to acknowledge his reign. Vittorio may have opted to be buried there as a middle finger to the pope.

Bernini elephant statue
Bernini elephant statue

What To See Near The Pantheon

Some of Rome’s top attractions are just steps from the Pantheon and you can include them in a visit to this area.

1. Church Of Santa Maria Sopra Minerva

This beautiful church is just one block from the Pantheon. Santa Maria Sopra Minerva is the only Gothic church in Rome, and it’s packed with artistic wonders.

Before you enter the church, check out the “Bernini Elephant” in the center of Piazza della Minerva. It’s an eccentric piece.

It consists of an Egyptian obelisk on the back of an elephant. Bernini designed the oddity, and it was sculpted by one of his assistants.

Inside, the church has glorious blue vaulted ceiling with gold stars. You’ll find a few other Bernini sculptures. The best one is the Memorial to Maria Raggi, a nun who performed miracles.

You can also see Michelangelo’s sculpture, Christ the Redeemer. And there are frescos by Fillipino Lippi in the Carafa Chapel.

Piazza Navona
Piazza Navona

2. Piazza Navona

Piazza Navona is just 5 minutes away from the Pantheon. The piazza is an artistic jewel at the heart of Rome’s centro storico

Piazza Navona is an elegant Renaissance masterpiece sometimes called the Square of Fountains. It’s the very symbol of Rome.

Piazza Navona is a long rectangle flanked by sublime palaces, statues, and fountains designed by the greatest artistic geniuses of the day. It’s a place where beauty breaks in everywhere. 

The square is completely pedestrianized. But it’s busy from morning until night. It’s always filled with tourists, artists, and street vendors.

Trajan's Column
Trajan’s Column

3. Trajan’s Column

Trajan’s Column is also only 10 minutes away from the Pantheon. The column was part of Trajan’s Forum. 

It’s probably the best preserved victory column in Rome, though it’s similar to the column for Marcus Aurelius in Piazza Colonna. Built in 113 AD, the column was a tour de force of Roman propaganda art.

The column celebrated Trajan’s defeat over the Dacians. It depicts the campaigns he fought against them, the fortifications that were built, the Dacian themselves, and their weaponry. 

the Spanish Steps
the Spanish Steps

4. Spanish Steps

The Spanish Steps are just a 7 minute walk from the Pantheon. They are a beautiful set of steps and one of central Rome’s most recognizable landmarks.

They climb a steep slope between the Piazza di Spagna at the base and Piazza Trinità dei Monti, dominated by the Trinità dei Monti church at the top.

As of 2019, you can no longer sit on the Spanish Steps. It’s classified as a national monument. 

A new law cracked down on “bad behavior” in Rome. If you’re caught sitting on the Spanish Steps, you risk paying a € 400 fine.

And, by the way, the Spanish Steps aren’t Spanish. They’re just named after the Spanish Embassy at the top of them.

beam of light coming through the oculus
beam of light coming through the oculus

Tips for Visiting the Pantheon

The Pantheon is free to visit. It’s one of the best free things to do in Rome. So you don’t have to worry about securing a ticket to visit.

1. When To Visit The Pantheon

Be prepared for long lines to enter in high season. The line moves fairly swiftly. There are no security checks.

If you want to avoid lines, arrive at the Pantheon when it opens at 9:00 am.

2. How Long To Spend At The Pantheon

How long should you plan to spend at the Pantheon? It really varies. You could spend 5 minutes or 60 minutes, depending on your level of interest.

interior of the Pantheon

If you go on a sunny day between 11:00 am to 1:00 pm, it will be crowded, but you’ll see the beam of light come through the oculus.

3. Guided Tours Of The Pantheon

This guide to the Pantheon has given you a good overview. But you may still want to book a guided tour of the Pantheon.

This 1 hour guided tour gives you a good nutshell history. You can also book a tour with an archaeologist or a private tour.

You can also book a 2.5 hour guided tour that includes the Pantheon, Piazza Navona, and the Trevi Fountain.

the pantheon and the Pantheon Fountain

4. How To Get To The Pantheon

The Pantheon is easy to get to. It’s located in Piazza della Rotonda, a lively square in the historic center of Rome. It’s just 2 minutes east of Piazza Navona.

Here’s how to get to the Pantheon:

By Metro: There is no metro very close to the Pantheon. The nearest metro station is Spagna, the Spanish Steps, a 15 minutes walk from the Pantheon.

By Bus: Board a bus that connects the Vatican to Termini Station (bus numbers 40, 60 and 64). Get off at Largo di Torre Argentina, the site of Julius Casesar’s assassination. From there, it’s a 5 minutes walk.

By hop on hop off bus: If you have a hop on hop off bus ticket, the bus stops near Piazza Navona. The piazza is a 4-5 minutes walk from the Pantheon.

Walking from the Colosseum:

If you’re coming from the Colosseum, there’s plenty to see en route. You can stop by St. Peter in Chains, Marcellus Theater, and stroll down the Via Fori Imperiali that’s scattered with ancient ruins including the forums of Augustus, Trajan, and Nerva.

The Annunciation by Melozzo da Forli
The Annunciation by Melozzo da Forli, located to the right of the entrance

Practical Information For Visiting The Pantheon

Address: Piazza della Rotonda

Hours: Mon to Sat 9:00 am to 7:15 pm, Sun 9:00 am to 5:45 pm

Entry fee: Free entry. Audio guide is 1 euro. You can get Pantheon information booklets inside the church too.

Mass schedule: Saturday at 5:00 pm and Sunday at 10:30 am

Pro Tips: Photos are allowed inside. Tripods are not. There are signs requesting silence at all times.

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