Rome is one of the oldest and most majestic cities in Europe, with a unique history visible throughout the city. The document discusses several of Rome's most important historical sites, including the Colosseum, the Sistine Chapel, the Pantheon, and the Vatican. The Colosseum was once used to hold gladiator battles and executions but is now one of the most visited sites, while the Sistine Chapel houses Michelangelo's famous frescoes. Rome offers visitors a chance to explore both its ancient ruins and religious centers that have been integral to the city for centuries.