The Rome that tourists see — the Colosseum, the Forum, the Vatican — is surface Rome. But the actual archaeological density of the city is underground: 13 centuries of construction, each generation building on top of the previous generation's ruins because clearing the rubble was harder than building over it. The result is a vertical archaeological section through Roman, early Christian, medieval, and Renaissance layers that is the most extraordinary underground urban archaeology in the world.
Read the guide →The street level of modern Rome is approximately 9–12 metres above the level of the ancient Roman city — the difference is 2,000 years of collapsed buildings, accumulated debris, flood silt from the Tiber, and deliberate filling operations. Each period of building used the previous period's ruins as foundation: the medieval builders used Roman concrete as rubble fill; the Renaissance builders used Roman marble as raw material for new construction (the Colosseum's exterior marble cladding was systematically stripped to provide material for papal construction projects — the most visible architectural recycling in history). The result is a city that is simultaneously the best-preserved Roman environment in the world (because the upper construction protected the lower levels from the weather) and the most continuously inhabited (because nobody ever left — Rome was never abandoned, only depopulated and rebuilt).
The specific underground experience: in most Roman underground sites, you descend through time — the 1st century AD is typically 5–7m below the current street level, the 2nd and 3rd centuries are slightly higher, and the medieval levels are at approximately 2–3m depth. The Basilica di San Clemente (Via di San Giovanni in Laterano — the clearest illustration of this principle) has three visible levels: the 12th-century basilica at street level; the 4th-century early Christian church below it (7–9m underground, with original frescoes); and the 1st-century Roman apartment building (insula) and the underground mithraic temple at the base (9–12m underground). The three levels span approximately 1,100 years of continuous building on the same site.
The Domus Aurea (Golden House, Via della Domus Aurea 1, adjacent to the Colosseum, €16 + mandatory audioguide €5, open Wednesday–Monday, book at coopculture.it) is the most extraordinary underground site in Rome — the remains of the enormous palace that the Emperor Nero built across 80 hectares of central Rome after the 64 AD fire. The palace was so enormous that contemporaries described it as Nero appropriating the entire city for his private use; the historian Suetonius reported that the entrance hall contained a colossal bronze statue of Nero 30m tall (the Colossus of Nero — subsequently moved to the Colosseum, whose name derives from it). After Nero's assassination in 68 AD, the palace was stripped and buried under the Trajan baths (107 AD), preserving the frescoed vaults underground for 1,500 years.
The Domus Aurea frescoes were rediscovered in the late 15th century — artists including Raphael and Michelangelo were lowered on ropes into the buried chambers to study the Roman decorative painting, which they called "grotesque" (from grotta, cave) and which directly influenced the development of Renaissance decorative painting. The grotesque motifs that appear in Raphael's Vatican Stanze and in 16th-century Italian decorative arts everywhere derive from the Domus Aurea frescoes. Currently only about 10% of the palace is accessible to visitors (the ongoing excavation and conservation project is the largest urban archaeology operation in Italy); the accessible chambers include the Sala della Volta Dorata (the gilded vault room, the most completely preserved fresco complex) and the Sala di Ettore e Andromaca. Virtual reality headset available (€5 additional) reconstructing the complete palace.
The Appian Way catacombs (accessible from the Via Appia Antica, 6km south of central Rome — take bus 660 from Colli Albani Metro A station) are the most accessible early Christian archaeological experience in Italy. The catacombs are underground burial networks cut into the tufa stone along the Via Appia — the early Christians could not bury inside the city walls (Roman law prohibited burials within the pomerium) and used the soft tufa rock along the Appian Way for their underground cemetery networks. The three main publicly accessible catacombs:
Catacombs of San Callisto (Via Appia Antica 110–126, €10, guided tour mandatory, callistocatacombs.com — the most extensive, 20km of galleries, the burial site of 16 early popes and thousands of martyrs; the Crypt of the Popes is the most historically significant section). Catacombs of San Sebastiano (Via Appia Antica 136, €10, separate entrance — the location of the original veneration of Peter and Paul in the pre-Constantinian period). Jewish Catacombs of Villa Torlonia (Via Nomentana 70, €10 — the only Jewish catacombs in Rome open to the public, providing a direct comparison between Jewish and Christian underground burial practices of the same 3rd–4th century period).
The best Rome underground tour for historical depth and clear illustration: the Basilica di San Clemente (€10 for lower levels, Via di San Giovanni in Laterano — three levels from 12th century to 1st century AD visible in descent, mithraic temple at base); the Domus Aurea (€16+€5 audioguide, Via della Domus Aurea — Nero's buried golden palace, the origin of Renaissance grotesque decoration); and the Appian Way catacombs (San Callisto, €10, Via Appia Antica — 20km of early Christian underground galleries, obligatory guided tour). For the most concentrated single underground visit: San Clemente (30–40 minutes, maximum instructive value, no booking required for most sessions). For the most impressive scale: Domus Aurea (pre-booking mandatory, 1–1.5 hours including audioguide).
The Domus Aurea (Golden House, Via della Domus Aurea 1, €16 + €5 audioguide, coopculture.it) was the enormous palace built by the Emperor Nero (37–68 AD) across 80 hectares of central Rome after the 64 AD fire. The palace covered the Palatine, Caelian, and Oppian hills, included an artificial lake (the site of the current Colosseum), and was decorated with revolutionary fresco painting that influenced all subsequent European decorative art. After Nero's assassination, the palace was buried under Trajan's baths (107 AD) and rediscovered in the 15th century by Renaissance artists including Raphael and Michelangelo, whose study of the underground frescoes produced the "grotesque" decorative style that defines 16th-century European visual culture. Currently approximately 10% is accessible to visitors, with ongoing archaeological work. Pre-booking mandatory at coopculture.it.
The Basilica di San Clemente lower levels (Via di San Giovanni in Laterano 108, Rome, €10 for underground levels entry from the sacristy) are open Monday–Saturday 9am–12:30pm and 3–6pm, Sunday 12–6pm. Entry to the surface basilica is free (no charge for the 12th-century upper church); the €10 charge is for the lower level archaeological access, which includes the 4th-century early Christian lower basilica and the 1st-century Roman buildings and mithraic temple at the base. No booking required for individual visitors; the underground levels close to new entrants 30 minutes before closing time. The descent takes approximately 30–40 minutes with independent exploration, longer with a guide. Temperature underground is approximately 12–14°C year-round — bring a layer regardless of surface temperature. Related: Rome guide, Domus Aurea guide.
Mithraism — a mystery religion of Persian origin widely practiced in the Roman military in the 1st–4th centuries AD — used underground temples (mithraea) for its rituals. Because the religion required darkness, secrecy, and underground space, the mithraea were typically built in cellars, underground rooms, or purpose-cut chambers. When Christianity became the state religion (4th century), the churches often built directly over mithraea — simultaneously appropriating sacred spaces and suppressing the previous religion. The San Clemente mithraeum is the most accessible and best-preserved in Rome; the Circus Maximus area mithraeum (Circo Massimo, Via Nazionale — visible through a glass floor in the street) and the Santa Prisca mithraeum (Aventine hill, accessible by prior arrangement with the convent) are additional examples of this specific Roman religious archaeology. Understanding that the Roman Empire practiced multiple religions simultaneously — and that the transition from Mithraism to Christianity was a cultural change with surviving physical evidence in the underground of Rome — makes the underground tour historically more nuanced than the typical Vatican-focused Rome itinerary. Related: Rome guide.
San Clemente three-level descent, Domus Aurea pre-booking, Appian Way catacomb guided tours, and the mithraic temple circuit beneath Rome's churches.
La Redazione di TourLeaderPro.comItalian cinema produced the most influential film movements of the 20th century outside Hollywood — and understanding the films transforms understanding the landscape and cities that produced them:
Neorealism (1945–1955): The movement that emerged immediately after WWII — directors including Roberto Rossellini (Rome Open City, 1945, filmed in Rome during the German occupation), Vittorio De Sica (Bicycle Thieves, 1948, filmed on working-class Roman streets — the most celebrated neorealist film and the only non-English-language film named #1 in a major critical poll), and Luchino Visconti (La Terra Trema, 1948, filmed with actual Sicilian fishermen in Aci Trezza). The neorealist films documented specific Italian places in specific historical moments — watching Bicycle Thieves before walking Trastevere and Termini is the most direct available introduction to the postwar Roman urban landscape. Italian art cinema (1960–1975): Federico Fellini (La Dolce Vita, 1960 — Rome as the capital of a specific kind of glamorous emptiness; 8½, 1963 — the autobiographical filmmaker film that defined art cinema self-referentiality), Michelangelo Antonioni (L'Avventura, 1960, filmed on the Aeolian Islands — the specific landscape of Panarea and the Faraglioni visible throughout), and Pier Paolo Pasolini (Accattone, 1961, filmed in the Pigneto and Gordiani Roman periphery — the neighbourhoods described in the street art Rome guide). Spaghetti Western (1964–1975): Sergio Leone's films — A Fistful of Dollars (1964), Once Upon a Time in the West (1968) — were filmed primarily in Almería, Spain, but their Italian landscapes are the Lazio and Campania Apennines. Leone was born in Rome; his sensibility for landscape drama is specifically Italian.
Italy's most historically significant films: Bicycle Thieves (Ladri di Biciclette, Vittorio De Sica, 1948 — the defining neorealist film, filmed on working-class Roman streets, winner of the Academy Honorary Award and consistently named among the 5 greatest films ever made); La Dolce Vita (Federico Fellini, 1960 — Rome as the capital of postwar glamour and spiritual emptiness, the film that coined the term "paparazzo" from a character name); Rome Open City (Roma Città Aperta, Roberto Rossellini, 1945 — filmed during the German occupation, using real Roman locations and non-professional actors for the first time); and The Leopard (Il Gattopardo, Luchino Visconti, 1963 — the most complete Italian adaptation of a novel, Giuseppe Tomasi di Lampedusa's 1958 account of Sicilian aristocracy during the Risorgimento, filmed in Palermo and Ciminna).
The Slow Food movement (founded in Bra, Piedmont, in 1989 by Carlo Petrini) maintains a register of endangered traditional food products (Presìdi Slow Food — Slow Food Presidia) — approximately 600 Italian products whose production has declined to the point where institutional support is required for survival:
Mosciame del Tonno (Tuna Bresaola, Liguria): The dried tuna fillet — a preservation technique that dates to the Arab trading presence in Liguria (8th–9th centuries), producing a product similar to beef bresaola but made from tuna. The Mosciame was historically the Ligurian equivalent of cured ham — a portable, high-protein, flavour-dense food for sailors and fishermen. Now produced by approximately 5 Ligurian producers from locally caught bluefin tuna (Atlantic bluefin, Thunnus thynnus). Available at specialist delicatessens in Genoa (Salumeria Breschi, Via San Bernardo 54). Parmigiano Reggiano delle Vacche Rosse (Reggiana Cow Parmigiano): Standard Parmigiano-Reggiano is made from the milk of Holstein-Friesian cows (the large black-and-white dairy breed). The Parmigiano delle Vacche Rosse uses the milk of the Reggiana breed (the original Emilian cow, nearly extinct by 1985, now supported by the Presìdi Slow Food programme) — producing a cheese with higher fat content, more complex flavour, and significantly lower production volume (approximately 50 wheels per year from certified producers). Available at the Mercato di Mezzo in Bologna or from the consorzio at vacherosse.it. Focaccia col Formaggio di Recco (Ligurian Cheese-Filled Flatbread): The specific product of Recco (18km east of Genoa) — a paper-thin unleavened dough enclosing a layer of Stracchino (the fresh Ligurian cheese) and baked in a wood-fired oven until crispy and bubbling. The IGP (Indicazione Geografica Protetta) for Focaccia di Recco col Formaggio covers only the specific Recco municipality. The 7 officially certified producers in Recco are the only legitimate sources; the versions sold elsewhere in Liguria and Italy are approximations. Available fresh at Il Fornaio di Recco (Via Assereto 13, Recco, open from 9am, eat immediately from the paper bag).
The Slow Food movement was founded in Bra (Cuneo province, Piedmont) in 1989 by Carlo Petrini as a response to the opening of a McDonald's near the Spanish Steps in Rome — a specific act of culinary counter-programming that grew into an international organisation with approximately 100,000 members in 160 countries. Slow Food's Italian activities include: the Salone del Gusto e Terra Madre food fair in Turin (even years, October — the largest artisan food fair in the world, 100,000+ visitors, slowfood.it); the Osteria d'Italia guide (the most authoritative restaurant guide for traditional Italian regional cooking, published annually); and the Presìdi Slow Food programme (the 600 endangered traditional Italian food products supported by consumer advocacy and producer technical assistance). The Slow Food philosophy has produced the most systematic documentation of Italian regional food heritage available anywhere.