The United States Capitol's former columns still stand.

A rather vulgar example of the transition from Latin to the Italian vernacular.

This ancient trail climbs the mountain where a Latin League cult worshipped Jupiter, its main deity.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

Remnants of a 4th-century church with vivid medieval frescoes and ancient sarcophagi hide beneath this old basilica.

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.

One of the most important yet well-hidden museums dedicated to the history of medicine.

Roman-era ships unearthed...

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

This historic recreationist school churns out warriors that may very well have had a fighting chance in Rome's pits of the day.

The mystic whose incorrupt corpse still attracts the faithful.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

A modern sliver of architecture in Roma.

The "Greatest Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

One of seven Jewish catacombs in Rome and one of only two open to the public.

The Pope’s secret escape route.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

A Nesting Doll of Churches.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.