~23 min13 languagesWith your booking
About this tour
Two thousand years under one perfect dome.
Walk through the best-preserved monument of ancient Rome. From Marcus Agrippa's original temple to Hadrian's architectural miracle, discover how the world's largest unreinforced concrete dome has defied gravity — and time — for nineteen centuries.
What you'll hear
- The mystery of the inscription — whose temple is it really?
- How Roman engineers poured a 43-metre dome without steel
- The oculus: the only source of light, open to rain and sky
- From pagan temple to Christian church — the conversion that saved it
- Raphael's tomb and the kings of Italy
- What to look for in the piazza before you step inside