Tivoli Is one of the few ancient towns of Latium which stand on its molest site. The temple of the Sibyl, with its Corinthian pillars, still occupies its commanding position on a rock that overhangs the Valley of the Cascades; the temple of Hercules has been transformed into a cathedral ; the Roman road, or Vie Tiburtiva, traverses the town ; the Roman bridge called Ponta Celio, or Ponticelli, is still extant. There ate considerable remains of the villa of Maecenas near the Casestella A ruined octagonal building, with a circular interior, vulgarly called Temple della Tome, elands outside of the Roman gate, near the villa of Maecenas. This building, according to Nibhy, dates from the 4th oentury, and was a Christian church. On the walls aro still remains of paintings representing our Saviour and the Biased Virgin. The churches of San Andrea and La Carith date from the 5th century.
Tivoli is a bialiop's see. It has a college, and a library of about 6000 volumes; several manufactories of iron, leather, and paper; and 6300 inhabitants. The eurrouuding hills are covered with olive-trees.
The etreete of the town aro narrow and steep. Near Tivoli is the extensive Villa d'Este, constructed about the middle of the 16th century. It has ell the formal magnificence of the gardens and pleasure-grounds of that age : its trees cut in architectural shapes, its mosabelike parterres, its handsome fountains and water-works, its avenue of Italian pines, and its terraces, constitute a princely resi dence, suited to the character and style of its former. owners. The mansion is adorned with frescoes by &marl and Muziano. The view from the terrace before the house is magnificent. The vines of Tivoli are famed for a superior sort of grape, called pizzutello and pergolose, which is much in request for the table. This grapo is spoken of by Pliny the elder. (' Hist. Nat', xiv. 4.) The stone commonly called travertine, of which many of the buildings of Rome are built, is dug ucar Tivoli.