The Mausoleum of Frontinus in Monte San Biagio: twin tombs on the Appian Way
Along the Via Appia, in the territory of Monte San Biagio, stands an impressive Roman tomb. It is not the tomb of the Emperor Galba, as was long believed, but the Mausoleum of Frontinus. The attribution is certain thanks to the discovery of a lead water pipe bearing his name. Frontinus indeed served as the great curator of Rome's aqueducts.
A giant made of stone
The main mausoleum is a massive cube, built from enormous stone blocks. Looking at the northern side, you can see the entrance, framed by stones deliberately left rough-hewn — a technique known as rustication. The structure is highly impressive. And to think that this was merely the base of the original monument.
The lesser twin and the legend
A short distance away, beyond the railway line, stands the Mausoleum of the Marchesella, its smaller twin. It is more modest in size, and the roof is now missing, but locals tell a fascinating story. It is said that an underground tunnel once connected the two tombs — a secret passage that no one has ever followed to its end.
The mausoleums are located in the municipality of Monte San Biagio (LT), along the Via Appia State Road 7 (at km 110.500), near the boundary with Itri. Access is free, as they are open-air monuments. Caution is advised due to their proximity to the road.