The Pantheon is a beautiful building in the middle of Rome that you can admire from the piazza in front of it. It is a great place to reflect on just how old Rome, and the Roman Empire is
The Garden of Oranges (Giardino degli Aranci). Look into the tiny keyhole of its green door to see the dome of St. Peter’s artistically framed in an arbor of greenery. People banging on the door if you stand in front of the keyhole, on the other side.