The Dome of St. Peter's Basilica is a prominent architectural feature located in Vatican City. Designed by Michelangelo, it stands at 136.57 meters (448.1 feet) tall, making it one of the tallest domes in the world. The dome is an iconic symbol of the Catholic Church and is renowned for its Renaissance design and intricate mosaics. Constructed between 1547 and 1590, the dome is part of the larger St. Peter's Basilica, which is a major pilgrimage site for Catholics. Visitors can climb to the top for panoramic views of Rome and the surrounding area, making it a popular tourist attraction.