The Pantheon, completed in 126 AD, features a dome with a diameter of 43.3 meters, making it the largest unreinforced concrete dome in the world. Entry is free, but guided tours start at €10. Visitors can also stroll the nearby Piazza Navona, measuring 240 meters long, showcasing Baroque architecture.

Published: 10/1/2025
Last Published: 1/26/2026
Updated: 2/13/2026
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See Roman Architecture

The Pantheon, completed in 126 AD, features a dome with a diameter of 43.3 meters, making it the largest unreinforced concrete dome in the world. Entry is free, but guided tours start at €10. Visitors can also stroll the nearby Piazza Navona, measuring 240 meters long, showcasing Baroque architecture.

Marcus Cent
Jan 26, 2026
1 min read
Find ancient Rome with a Roman Architecture Tour! From the Colosseum to the Pantheon, see the evolution of Roman design.
A Roman Architecture Tour transports you back in time. Prepare to be impressed by the grandeur and ingenuity that shaped this city centuries ago.
See Roman Architecture - Rome travel guide

See Roman Architecture - Rome travel guide

Rome, known as the “Eternal City,” offers a wealth of architectural wonders that span centuries.
From the Colosseum to the Pantheon, this journey highlights the narrative of Roman architecture and its influence on modern design and engineering.
"The true essence of Roman architecture lies not just in its grandeur but in its harmonious relationship with the surrounding landscape. Take the time to wander the less-traveled streets of Trastevere; you'll discover structures that whisper stories of ancient engineering and artistry."

Isabella Moretti - Architectural Historian

One of the most notable aspects of Roman architecture is the widespread use of the arch, which allowed them to create larger open interior spaces and produce massive structures like the Colosseum.
Additionally, the Romans were the first architects in history to fully tap into the potential of domes for creating large interior spaces. The craftsmanship and ingenuity of Roman architects can be best observed in buildings like the Pantheon, which features impressive structural designs and proportions.
Incorporating innovations from prior civilisations like the Greeks and Etruscans, the Romans adapted their architectural style to suit their needs and tastes. They developed a rich vocabulary of architectural forms, including the use of Ionic and Corinthian orders, which gave their structures a sense of elegance and harmony. Today, ancient Roman architecture serves as a testament to the artistic and engineering capabilities of this once-mighty empire.

The history of Ancient Roman architecture is marked by the influence of other civilisations. One of the key influences came from the Etruscans, an advanced civilisation that inhabited Italy prior to the Roman Republic. The Romans borrowed many elements from Etruscan architecture, including the arch and the use of hydraulic cement in construction. Alongside the Etruscans, Greek architecture also played a significant role in shaping Roman building styles. The Romans were greatly inspired by the Greek architectural orders, such as Doric, Ionic, and Corinthian, and incorporated them into their own designs with some modifications. They also added their distinct touch, leading to the creation of the Composite order, which combined aspects of the Ionic and Corinthian styles.

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The Colosseum stands as a significant example of Roman engineering. As you stand before the colossal amphitheatre, the magnitude of its construction is impressive. Built in AD 80, the Colosseum accommodated up to 80,000 spectators who gathered to witness gladiatorial contests and public spectacles. The precision of its arches and the innovative use of concrete are architectural achievements that continue to interest engineers and historians. A guided tour takes you through the labyrinthine corridors, offering insights into the Colosseum’s history, the techniques employed in its construction, and the cultural significance of the events that unfolded within its walls.

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The Pantheon emerges as another masterpiece that has withstood the test of time. Originally built as a temple to the gods, the Pantheon’s dome remains an achievement in architectural engineering. The perfectly proportioned structure, with its oculus at the apex, allows sunlight to filter through, creating a play of light within the vast interior. The Pantheon’s design showcases the Romans’ mastery of geometry and materials, setting it apart as a structure that continues to inspire architects worldwide. A guided exploration of the Pantheon provides a glimpse into the mathematical precision that underlies its construction, offering a deeper appreciation for the blend of art and science that defines Roman architecture.

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External Links

Turismo Roma - Official Tourism Site

Explore the official tourism website of Rome for information on Roman architecture and historical sites.

Colosseum and Roman Forum Tickets

Book tickets for the Colosseum and Roman Forum to experience examples of Roman architecture.

Vatican Museums - Official Site

Visit the Vatican Museums to see examples of Renaissance architecture and art.

Rome.info - Architecture and History

A comprehensive guide to Roman architecture, including historical context and notable structures.

Marcus Cent

Marcus Cent is the founder of Visit Network, a global portfolio of destination-focused travel sites. With over 25 years of experience in online travel and digital publishing, he specialises in destination research, tours and activities, and travel platforms. His writing is informed by extensive independent travel across Europe, Southeast Asia, and the Middle East, with a focus on practical, experience-based guidance.

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