Exploring Rome’s Hidden Depths: The Underground Domus Tour and Gelato at Trevi Fountain

If you’re visiting Rome and looking for a way to see the city that’s a little off the beaten path, the Trevi Fountain district Underground Domus Tour offers a fascinating glimpse into the city’s layered past. This one-hour guided experience takes you beneath the surface, revealing the secrets beneath one of Rome’s most iconic landmarks, combined with a visit to the archaeological site of Vicus Caprarius, and ends with a delicious gelato near the fountain. It’s perfect for travelers who crave authenticity, enjoy history, and want a break from the usual crowds.
What we love about this tour is its small group size, which keeps the experience intimate and engaging, and the expert guide who brings Roman history alive—not just by telling stories, but by making you feel connected to the city’s ancient past. Plus, the underground exploration is surprisingly accessible and offers a unique perspective that many standard tours overlook. The only potential downside? The tour is fairly short, so if you’re seeking a deep, extended dive into Rome’s archaeological sites, you might find it a bit light on content. Still, for a quick, high-quality peek beneath the surface, it hits the mark.
This tour is best suited for history buffs, curious travelers, and those who want to experience Rome from a different angle—literally. It’s also a great option for visitors who prefer smaller groups and want the chance to ask questions and soak in the details at a relaxed pace.
Key Points

- Small group tour ensures a personalized experience with up to 15 participants.
- No need for advance booking; entry is included, simplifying planning.
- Knowledgeable guides bring Roman history to life with detailed stories and context.
- The tour combines underground archaeological exploration with a visit to Trevi Fountain.
- Concludes with a refreshing gelato at a conveniently located shop.
- Duration is approximately one hour, making it suitable for a quick, enriching activity.
You can also read our reviews of more tours and experiences in Rome.
An In-Depth Look at the Underground Domus Tour

Why Choose This Tour?
This experience offers a blend of history and fun, ideal for those who want to go beyond the surface and see Rome’s hidden layers. The small-group size (maximum of 15 people) ensures that you won’t be lost in a crowd, and your guide can dedicate time to answering questions and sharing stories. Since the entry to Vicus Caprarius is included, you skip the hassle of buying tickets and gain access to a well-preserved archaeological site.
Meeting Point and Accessibility
You’ll meet your guide at Vicolo del Puttarello, 25, a spot near Trevi Fountain that’s easy to find and close to public transportation. The tour starts comfortably in the heart of Rome, so you can combine it with time exploring the nearby Trevi Fountain afterward. The end point is at the Gelato shop right at the fountain, making it a perfect spot to relax after the tour.
The Itinerary
Vicus Caprarius – The Water City
Your journey begins with a visit to Vicus Caprarius, which is essentially an underground museum that reveals Roman waterworks and residential structures dating back centuries. The structures include an imperial domus (a Roman house), remnants of the Virgin Aqueduct, and exhibits like the famous face of Alessandro Helios. This site was uncovered during renovations of the old Cinema Trevi, and it offers a tangible link to Rome’s engineering prowess and urban development.
The guide will explain how Aqua Virgo, Rome’s famous aqueduct, supplied water to the city, and you’ll see the archaeological remains that survived fires, sackings, and sieges—like Nero’s fire and the Gothic invasions. As one reviewer noted, the guide provides “very good and detailed history about the ancient Romans”—making it a rewarding stop for history enthusiasts.
Fontana di Trevi
Next, your group walks to the iconic Trevi Fountain. This part of the tour is quick—about 10 minutes—but packed with tradition and stories. Many travelers know about the coin-throwing ritual, where tossing a coin over your shoulder into the fountain promises a return visit to Rome. The legend also says that two coins might bring love, and three could lead to marriage or divorce.
While the fountain is often crowded, you’ll appreciate the insight into its symbolism and the charitable efforts behind its maintenance—every week, Rome’s municipality cleans the fountain and donates millions to charity. It’s a charming blend of myth, beauty, and civic spirit.
- Vatican Museums, Sistine Chapel & St Peter’s Basilica Guided Tour
- Colosseum & Ancient Rome Tour With Roman Forum & Palatine Hill
- Skip-the-Line Group Tour of the Vatican, Sistine Chapel & St. Peters Basilica
- Pompeii Day Trip From Rome With Mount Vesuvius or Positano Option
- Skip the Line: Vatican Museums & Sistine Chapel With St. Peters Basilica Access
- Expert Guided Tour of Colosseum Underground OR Arena and Forum
What Travelers Say
Multiple reviews praise the expert guide and the small group setting. Emma-L, for instance, said, “Erika was fantastic! We thoroughly enjoyed the tour and gelato”, highlighting how the tour’s personal touch makes a difference. Others appreciated the “detailed history” and the “behind-the-scenes” view of Rome’s underground.
Not all reviews are glowing, however. A few travelers felt the tour was short and wanted more visuals or content, and a couple experienced delays due to guide no-shows, which underscores the importance of booking early or confirming arrangements.
The Gelato Finish
Concluding at a local gelato shop near the fountain, the tour ends on a sweet note. The opportunity to sample authentic Italian gelato—an essential Rome experience—adds real value. The relaxed ending allows travelers to enjoy the piazza, take photos, or continue exploring on their own.
Price and Value: Is It Worth It?

At $46.30 per person, this tour is reasonably priced given the included Vicus Caprarius admission, the guided experience, and the gelato. Compared to many other Rome tours, its short duration might seem like a quick hit, but the quality and intimacy make it a worthwhile investment, especially for those interested in underground archaeology and local stories.
Since tickets are included, there’s no fuss about waiting in line or figuring out logistics. The focus remains on learning and enjoying the site, rather than battling crowds or logistical hurdles.
Who Should Consider This Tour?
This experience appeals most to history lovers, small-group enthusiasts, and those seeking a different view of Rome’s famous landmarks. It’s ideal for travelers who appreciate authentic stories and want to avoid large, impersonal tours. The short duration makes it perfect as a quick highlight, but it might be less suitable for those wanting an exhaustive archaeology tour or a long, detailed exploration.
Final Thoughts: Is It a Good Choice?

This tour successfully combines underground archaeology, legendary sights, and local flavors—all in a compact format. The knowledgeable guides and small group setting ensure a personal experience, making history approachable and fun. The inclusion of free entry and gelato adds excellent value, especially for travelers who want an authentic, relaxed activity that’s easy to fit into a busy day.
While it’s not the longest or most comprehensive tour you’ll find, it offers a special glimpse into Rome’s hidden layers, perfect for those looking for a meaningful, well-paced activity that enriches their understanding of the Eternal City.
FAQ
Is this tour suitable for children?
Yes, as long as children are comfortable walking and listening for about an hour. The tour is engaging and educational, making it suitable for families with kids interested in history.
Do I need to book in advance?
No, you can just show up, but booking early (on average 44 days in advance) is recommended since it’s popular and sells out quickly.
Are tickets included in the price?
Yes, the admission to Vicus Caprarius is included, so you don’t need to buy extra tickets.
What is the tour duration?
It lasts approximately one hour, making it convenient for fitting into a busy sightseeing schedule.
Where does the tour start and end?
It begins at Vicolo del Puttarello, 25, near Trevi Fountain, and ends at the gelato shop right at the fountain.
Is the tour accessible for people with mobility issues?
While the underground sites are generally accessible, some parts might require walking or navigating stairs—it’s best to inquire directly if you have specific needs.
What’s included in the tour?
Your package includes an English-guided tour, reserved entrance to Vicus Caprarius, and a delicious gelato.
Are there any additional costs?
No, everything listed is included in the price. Food and drinks outside the gelato are not included.
What if the guide doesn’t show up?
There’s a possibility of delays, as noted in some reviews, but a substitute guide will be provided. It’s advisable to confirm your booking and arrive on time.
Final Word
This Underground Domus Tour with Gelato provides a compact, insightful, and enjoyable way to explore a lesser-seen side of Rome. It’s perfect for travelers who love stories that connect the past with the present, and for those wanting an intimate experience without the crowds. Whether you’re revisiting Rome or exploring for the first time, this tour offers a genuine taste of the city’s layered history, topped off with a sweet Italian treat.
More Tours in Rome
- Heart of Rome Private City Tour
- Rome Famous Squares and Fountains Walking Tour
- Rome: Vatican Museums and Colosseum Private Tour with Transfers
- Vatican Semi Private Tour with Access to Museums & Sistine Chapel
- 3 Day Vesuvius, Pompeii and Amalfi Small-Group Tour from Rome
- Private tour Colosseum Underground & Ancient Rome
More Tour Reviews in Rome
Not for you? Here's more nearby things to do in Rome we have reviewed
- Heart of Rome Private City Tour
- Trevi Fountain district Underground Domus Tour and Gelato
- Rome Hotel to Fiumicino FCO Airport: Private Transfer
- Rome Famous Squares and Fountains Walking Tour
- Rome City Center to Fiumicino Leonardo Da Vinci Airport
- Vespa Rental in Rome
- Private Home Cooking Class with Andrea and Arianna in Rome
- Rome: Vatican Museums and Colosseum Private Tour with Transfers
- Explore Night Life in Rome with A Vintage Car Fiat 500
- Famous Movie Places Quest Experience in Rome
- Colosseum Roman Forum and Palatine Hill Experience
- Vatican Semi Private Tour with Access to Museums & Sistine Chapel
