Castel Sant'Angelo
Hadrian built it as his tomb; popes reused it as fortress, bolt-hole, and prison, with an angel planted on the roof.
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One cylinder carries nearly 1,900 years: Roman mausoleum (123-139 AD), papal stronghold linked to the Vatican by the covered Passetto di Borgo, cell for Giordano Bruno and Cellini, now a national museum with a view over Rome's ancient city core.
What to look for
- Two Saint Michaels: Verschaffelt's 1753 bronze crowning the top, and Montelupo's earlier marble version in the open interior court.
- The Passetto di Borgo, the covered fortified corridor to St. Peter's; the fortress was Clement VII's refuge during the 1527 Sack of Rome.
- On the Ponte Sant'Angelo below, each Baroque angel holds an instrument of Christ's Passion.
Now the Museo Nazionale di Castel Sant'Angelo; climb to the top for the panorama over the ancient city core.
Castel Sant'Angelo is one of 40 sights worth the detour in Rome, all bundled offline in Voyage GO — download the Rome pack and it sits on your map with no signal, filling your travel passport the moment you walk past.
More to see in Rome
- Vatican CityThe world's smallest sovereign state fits in 44 hectares — you cross its border by stepping over a white line.
- ColosseumAround 50,000 Romans packed this stone oval to watch spectacles staged over a two-level warren of cages beneath the arena floor.
- St. Peter's BasilicaThe world's largest church, built directly over the grave believed to hold St. Peter's bones.
- Sistine ChapelMichelangelo painted the ceiling standing up, not on his back — and cardinals still elect the pope in this room.
- PantheonA 1,900-year-old concrete dome with a hole punched in the top — when it rains in Rome, it rains inside too.
- Stadio OlimpicoOne 70,634-seat bowl, two cross-town tenants: AS Roma and SS Lazio both play here.