Leave the crowds behind and head straight inside the Colosseum with your skip-the-line entrance ticket! In a group of no more than 25 people, explore the first and second tiers of this A-list attraction with a guide, learning about the gladiators who competed in the Colosseum?s gory gladiatorial games. Finish with a tour of the Roman Forum in Ancient Rome and admire incredible ruins, like the Temple of Julius Caesar. If you want to see the Colosseum Underground Chambers, Arena and Upper Tier, then upgrade! ? These areas that are either newly opened or normally off-limits.