The city known for its historical Colosseum is Rome, Italy. This ancient amphitheater, constructed around 80 AD, is one of the most iconic structures of the Roman Empire and is a testament to the engineering prowess of its time. The Colosseum originally hosted gladiatorial contests, public spectacles, and various performances, attracting thousands of spectators. Today, it is a UNESCO World Heritage site and a symbol of Rome's rich history, drawing millions of tourists annually who come to marvel at its grandeur and learn about ancient Roman culture.