Located within the walls of Vatican City, the Vatican City itself is a unique and fascinating attraction. This sovereign city-state is home to numerous iconic landmarks, including St. Peter's Basilica, one of the largest Christian churches in the world. Visitors can explore the ornate interior, featuring Michelangelo's famous dome and Bernini's stunning baldacchino. The Sistine Chapel, with its breathtaking frescoes painted by Michelangelo, is another must-see attraction. The Vatican Museums house an extensive collection of art and artifacts, showcasing centuries of Christian history and culture. With its rich history, architecture, and artistic treasures, the Vatican City is a captivating destination for anyone interested in exploring the heart of Christianity.