Ostia Antica (Italy). 'Not many people make it out to Ostia Antica, Rome’s version of Pompeii. But make the effort and you’ll find that its wonderfully preserved ruins are easily on a par with the more famous sites in the city centre.' http://www.lonelyplanet.com/italy/lazio/ostia-antica
Testaccio, the cultural district of Rome - Exploring #Rome off the beaten path || Read my blogpost here: http://www.blocal-travel.com/italy/central-italy/lazio-italy/rome-italy/rome-city-centre/testaccio-cultural-district-of-rome-html/
Pantheon, Rome - commissioned by Marcus Agrippa during reign of Augustus 27 BC-14 CE; rebuilt by Hadrian c125-128. Classic Romanized Greek portico introduces, but also disguises, cylindro-spherical interior. Dedicated to deities of the known planets, building posits statement on the physical and philosophic nature of the universe.