06/20/2026
Emperor Tiberius sought a peaceful escape from Rome. He found it at a sprawling coastal villa in Sperlonga, which featured a spectacular natural grotto carved by the sea.
Tiberius transformed this cave into an immersive dining hall and art gallery.
He commissioned enormous, multi-ton sculptural groups depicting scenes from the Odyssey, turning the space into a theater of myth.
In 26 CE, the opulence was shattered—literally. During a banquet, part of the grotto's ceiling collapsed.
Stones rained down on the emperor and his guests. His powerful praetorian prefect, Sejanus, is said to have thrown himself over Tiberius, saving the emperor's life.
The event became a dark turning point. Tiberius grew more reclusive and paranoid afterward, retreating further from public life.
Yet the villa and its cave endured for centuries. The pagan sculptures remained, even as later inhabitants left their own mark.
By the 18th century, a section of the grotto had been consecrated as a Christian chapel, with an inscription to the Holy Cross carved alongside the ancient heroes.