Pantheon (church building) built
128 CE.
Shown on the map at 41.899°, 12.477°.
The Pantheon (UK: , US: ; Latin: Pantheum, from Ancient Greek Πάνθειον (Pantheion) '[temple] of all the gods') is an ancient temple in Rome, Italy, originally built under emperor Augustus (27 BC–AD 14) and reconstructed under Hadrian (117–138); since AD 609, it is a Catholic church called the Basilica of St. Mary and the Martyrs (Italian: Basilica Santa Maria ad Martyres). It is perhaps the most famous, and architecturally most influential, rotunda. The current Pantheon was built on the site of an earlier temple, which had been commissioned by Marcus Vipsanius Agrippa during the reign of Augustus. After the original burnt down, the present building was completed by the emperor Hadrian and probably dedicated c. AD 126. Its date of construction is uncertain, because Hadrian chose to re-inscribe the new temple with Agrippa's original date inscription from the older temple. The building is round in plan, except for the portico with large granite Corinthian columns (eight in the first rank and two groups of four behind) under a pediment.
Text from the Wikipedia article Pantheon, Rome, licensed CC BY-SA 4.0.