Free
The Pantheon
The building that refused to fall for 2,000 years.
35 min
10 stops
Built in 125 AD by Emperor Hadrian, the Pantheon is the best-preserved ancient Roman building in the world. Its unreinforced concrete dome — still the largest ever built — inspired every domed structure that followed, from the US Capitol to St. Peter's Basilica.
You'll earn
Pantheon Pioneer
Complete all 10 stops
Timeline
27 BC27 BC — Agrippa builds original Pantheon
80 AD80 AD — Destroyed by fire
125 AD125 AD — Hadrian rebuilds it
609 AD609 AD — Becomes a Christian church
1520 AD1520 — Raphael is buried here