It contains few remains of antiquity, except of the aqueduct and basin, said to have been made by the architect Eupalinus for the tyrant Theagenes.
Schemes for the collection of funds and the complete restoration of the church were immediately set on foot, the architect being Mr Oldrid Scott.
The richness of effect which the English or French architect obtained by elaborate and carefully worked mouldings was produced in Italy by the beauty of polished marbles and jewel-like mosaics - the details being mostly rather coarse and often carelessly executed.
Excavations were made on its site in 1811 by Baron Haller von Hallerstein and the English architect C. R.
Of these the most remarkable is the Pavilion, built as a residence for the prince regent (afterwards George IV.) and remodelled in 1819 by the architect, John Nash, in a grotesque Eastern style of architecture.