Rome, the capital of Italy, is a large cosmopolitan city with an artistic, architectural and cultural history that has influenced the whole world and dates almost 3000 years ago. Ancient ruins such as the Forum and the Colosseum testify to the power of the ancient Roman empire. In Vatican City, home to the Catholic Church, there are St. Peter's Basilica and the Vatican Museums, where masterpieces such as the Sistine Chapel with frescoes by Michelangelo are held. The Colosseum, originally known as Amphitheatrum Flavium in Italian: Anfiteatro Flavio or simply as Amphitheatrum, located in the center of the city of Rome, is the largest amphitheater in the world. The Pantheon, in the classic Latin Pantheum, is a building in ancient Rome in the Pigna district of the historic center, built as a temple dedicated to all the gods of the past, present and future. It was founded in 27 BC by the arpinate Marco Vipsanio Agrippa, son-in-law of Augustus. Vatican City, a city-state in the center of Rome, Italy, is the heart of the Roman Catholic Church. In addition to the Pope's seat, it houses a collection of extraordinary works of art and architecture. In the Vatican museums, there are ancient Roman sculptures such as the famous Laocoonte group, as well as the Renaissance frescoes of the Raphael rooms and the Sistine Chapel, famous for Michelangelo's frescoes. The Colosseum, originally known as Amphitheatrum Flavium in Italian: Anfiteatro Flavio or simply as Amphitheatrum, located in the center of the city of Rome, is the largest amphitheater in the world.