Hadrian was the most cultured and most restless emperor Rome ever produced. He spent half his reign traveling the empire, built the wall that still bears his name across northern Britain, rebuilt the Pantheon into the architectural marvel that stands today, and after his young lover Antinous drowned in the Nile, he established a cult that made the dead youth a god worshiped across the Roman world.

This episode traces Hadrian from his Spanish origins through his adoption by Trajan, the travels that took him to every corner of the empire, the construction projects that still define Rome and Britain, and the grief for Antinous that produced the ancient world's most extraordinary act of personal deification.

• Hadrian's Spanish origins, his adoption by Trajan, and the contested succession that made him emperor
• The restless trav ...