Caligulaâs Garden of Delights, Unearthed and Restored Relics from the favorite hideaway of ancient Romeâs most infamous tyrant have been recovered and put on display by archaeologists. Â A theatrical mask in marble dust, recovered from the Horti Lamiani, the pleasure garden of the Roman emperor Caligula.Credit...Nadia Shira Cohen for The New York Times By Franz Lidz The fourth of the 12 Caesars, Caligula â officially, Gaius Julius Caesar Germanicus â was a capricious, combustible first-century populist remembered, perhaps unfairly, as the empireâs most tyrannical ruler. As reported by Suetonius, the Michael Wolff of ancient Rome, he never forgot a slight, slept only a few hours a night and married several times, lastly to a woman named Milonia.