Rome's Colosseum opened in 80 C.E. and is still the world's largest amphitheater. Here are 15 Colosseum facts you can use to impress your friends and family. ... Interior of the Colosseum in Rome.

Unfortunately, I didn't have time to visit the nearby attractions. So I was excited that the Colosseum's interior also has views of surrounding Ancient Roman sites, like the Roman Forum.

The Colosseum, he pointed out, had been built for rough-and-tumble entertainment. He added that gladiator games were already tourist draws in other historical arenas, like one in Nimes, France.

Welcome back to the “Gladiator” universe! This movie has everything—decapitations, a monkey senator, an inexplicable newspaper, and an epic naval battle performed inside the walls of the Colosseum..