THE GROTTO OF TIBERIUS AT SPERLONGA AND THE WINTER SOLSTICE Tiberius' villa in Sperlonga is located near Terracina, in a splendid coastal and panoramic area, which in 184 BC was made accessible by the construction of the Via Flacca.In 4 AD Tiberius was adopted by Augustus as his successor, and he renovated a pre-existing villa that probably belonged to the family of his mother Livia Drusilla. He transformed it into a luxurious metitime imperial villa, where he often stayed... To read the full article you must log in or register. Login or register