This is the Forum looking east. The columnade of the Temple of Saturn is to the left, and the colosseum can be seen in the distance beyond the tall church tower.
This was the Temple of Antonius and Faustina and now houses the church of Sant Lorenzo in Miranda. You can see how much the Forum was buried by seeing how high the door is.
The Arch of Septimus Severus as seen from the east. The Capitoline Hill is in the background.
The Arch of Septimus Severus from the other side as seen from the Capitoline Hill.
These pictures detail the two side arches