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: 6/8/2026
Location: Rome, Italy
Reading time: 6 minutes
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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
Updated Jun 8, 2026
6 min read
Marcus Cent

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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Roman Architecture TourRome ancient landmarksColosseum and PantheonRoman architectural designEternal City architecture

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