Something that might interest you is that some new areas have been opened up to the public at the forums - A small part of Nervas forum and the Basilica Aemelaia.
The Porta Maggiore, built by Claudius around 50 A.D.
One of the entrances to the Villa Borghese is guarded by this fellow and his cousin.
They really need to think about a new name...
Oh damn, those guys have their own private aqueduct. I wonder if it's for sale?
The obelisk at the Piazza di san Giovanni in Laterano.