It was the political and commercial center of the city. In the 7 th cent. Bonifacio IV transformed the heathen temple in a catholic church. Remarkable the marble floor and the dome. All days except Wed. and Thur.
Tickets have to be bought some days in advance in the information office.
The Traianeian markets are a magnificent work of the genial architect Apollodoro di Damasco. The structure remembers of modern commercial centers. 1 p.m. Closed on Monday. The altar has been built 13 b.C. under emperor Augusto to celebrate the peace after the war with Gaul and Spain. Hours 9 a.m.