Rome is the capital of Italy and the country's largest and most populated city. Rome's history as a city spans over two and a half thousand years. It was the centre of the Roman Empire. During the Middle-Ages, it was transformed the city into a modern centre of the arts and one of the major centres of the Italian Renaissance. Famous Renaissance and Baroque artists and architects Bramante, Leonardo da Vinci, Bernini and Raphael created in Rome. Rome has had an immense historic influence to the world and modern society over the ages, particularly during ancient times, mainly in subjects such as architecture, art, culture, politics, literature, law, philosophy and religion. Main attractions in Rome include the Colosseum, Trevi Fountain, the Spanish Steps, Vittorio Emanuele and the Pantheon. The Colosseum is probably the most impressive building of the Roman empire. Originally known as the Flavian Amphitheater, it was the largest building of the era.