The circular so-called "Temple of Vesta" at Tivoli, of the early first century BCE, has been widely admired since the Renaissance. Its ruins sit on the acropolis of the Etruscan and Roman city of Tibur (now Tivoli), overlooking the falls of the Aniene in a picturesque narrow gully.

Temple of Vesta, Tivoli

The circular so-called "Temple of Vesta" at Tivoli, of the early first century BCE, has been widely…