What Roman building is still standing in Rome?
What Roman building is still standing in Rome? The Pantheon sits at the center of Rome. Sporting the world's largest unreinforced concrete dome, the Pantheon was one of the architectural feats of the ancient world, and its prestige remains to this day.
How much of ancient Rome is left?
Many people assume that most of ancient Rome has been excavated, but in fact, experts estimate that the actual number is closer to 10 percent. Most of the remaining 90 percent is buried 30 feet or so below the current street level.