The Pantheon is the best preserved building of ancient Rome. Dedicated to the planetary Gods, the original temple was built by Marcus Agrippa in 27 BC. The temple was rebuilt by Emperor Hadrian around 120 AD however Agrippa's name remained inscribed over the entrance.
After being abandoned under the first Christain emperors, the temple was given to the Church by the Eastern emperor Phocus in 608 AD.
Both the height and the diameter of the interior of the building measure 43.3m. It's dome is considered one of the most important achievements of ancient Roman architecture.
Italian kings, Vittorio Emanuelle II and Umberto I along with the artist Raphael are buried here.