This home to two UNESCO World Heritage Sites has been a summer retreat for centuries, from the ancient Romans to the modern-day rich of Rome. The treasures of hilltop Tivoli include the UNESCO-recognized Villa Adriana, the former country estate of Emperor Hadrian, and Villa d’Este, a Renaissance-era retreat famous for its elaborate fountains and landscaped gardens. Other must-see sights include Castel Gandolfo, the Pope’s summer residence, and Lago di Albano, a popular lake for boating and swimming.
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