The Colosseum is famous because it is an origin of gladiator battles that took place in the time of Roman Empire. Moreover, Dion Cassius claimed that 9000 wild animals were killed in the one hundred days of celebrations which inaugurated the amphitheater.
It is the grandest ancient amphitheater in the world which could fit up to 60.000 spectators
When the Colosseum was in its full glory, it must have been a stupendous site of Roman greatness. However, even today, after almost 2000 years, the Flavian Amphitheater is the pride of Rome and must-see site for its visitors.