Building work on the Municipal Palace was entrusted to Giacomo Della Porta in 1575 and was terminated by Filippo Barigioni in 1720.
The rectangular palace, sober and elegant, does not have a courtyard. Two wide staircases lead up three floors from the mezzanine.
At the end of the 19th century, the palace became the seat of a Municipal Museum which houses the 3rd century Sarcophagus of Velletri (also known as the Sarcophagus of the Labours of Hercules) which is shaped like a shrine and beautifully engraved with the legend of Hercules and other scenes.
A new interactive exhibit of Geopaleontology and Early History has recently been installed, which illustrates the birth, evolution and population of the Alban Hills.

Galleria fotografica