We walked where Victor Jove was shrined awhile,
And passed to Livia's rich red mural show,
Whence, thridding cave and Criptoportico,
We gained Caligula's dissolving pile.
...
I traced the Circus whose gray stones incline
Where Rome and dim Etruria interjoin,
Till came a child who showed an ancient coin
That bore the image of a Constantine.
...