The Colosseum is the biggest attraction in Rome and is over 200 years ago. It is also called the Flavian Amphitheatre, after the dynasty of the 3 Roman emperors who were responsible for its construction and development. The Colosseum or Colosso is most recalled for its gladiatorial battles, but it was also used as a venue for theater performances, mock sea battles, and even housing.
One of the most photographed monuments of the world, the inside of the Colosseum is as impressive as the exterior. The tickets are best to be booked in advance, though the tourist passes of Rome will all allow you skip the line entry. The ticket also allows you to visit the Roman Forum and Palatine Hill. Children, seniors, and EU citizens get preferential entry to the Colosseum.
You can visit the Colosseum in the day time or take the night tour of the place when the crowds are low. There are many guided tours that will take you to the Colosseum, or you can buy the audio guide. There is also a fantastic underground tour which takes you to the quarters where the animals were kept. When you are visiting the Colosseum you should plan to combine Roman Forum and Palatine Hill on the same day. This entire circuit will take you almost the entire day to cover.
It is not allowed to carry backpacks into the Colosseum, and security is strict all all day. You should arrive 30 minutes in advance of entry so that you can pass through security. Public transport in Rome is well connected to the Colosseum, you can take a bus or metro and alight very near the attraction.