The famous Colosseum is located in Rome, Italy. This ancient amphitheater, built in AD 70-80, is one of the most iconic structures from Roman times and could hold up to 80,000 spectators. It was primarily used for gladiatorial contests and public spectacles, reflecting the grandeur of the Roman Empire. Today, the Colosseum stands as a symbol of Rome's rich history and cultural heritage, attracting millions of visitors each year. It is also a UNESCO World Heritage Site and continues to be a major tourist destination, showcasing the engineering prowess of ancient Rome.