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: 8/31/2026
Location: Rome, Italy
Reading time: 6 minutes
See Roman Architecture - Rome travel guide

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
Updated Aug 31, 2026
6 min read

Tags

Roman Architecture TourRome ancient landmarksColosseum and PantheonRoman architectural designEternal City architecture

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