The Pantheon Oculus: Rome’s Eye to the Sky Explained (2026)
The Oculus: The Pantheon's Most Iconic Feature Explained The Pantheon’s oculus is a circular opening 8.9 metres in diameter at the apex of the dome. It is open to the sky with no covering. It serves three purposes: structural (reducing weight at the dome’s most vulnerable point), practical (the building’s only natural light source), and … Read more