The Romans once flooded the Colosseum with water to perform a mock sea battle

At the height of its power, the Roman Empire comprised about twelve percent of the world's population

Life expectancy in Ancient Rome was between 20 and 30 years

Women and ancient Rome bought vials of sweat and dirt scraped from the skin of famous gladiators to use as a face cream

Contrary to the widespread belief, Roman gladiators rarely fought to the death

The Roman Pantheon remains the largest non-reinforced concrete dome in the world