The Pantheon (pron.: /ˈpænθiən/ or US /ˈpænθiɒn/; Latin: Pantheon, [pantʰewn] from Greek: Πάνθεον (ἱερόν), an adjective meaning "(temple consecrated) to all gods") is a building in Rome, Italy, commissioned by Marcus Agrippa as a temple to all the gods of Ancient Rome, and rebuilt by Emperor Hadrian in about 126 AD.