St. Peter's Cathedral is the Vatican's main place to visit. Many people go as early as possible. It is the world's most famous cathedral of God. The church has been to many places. When you stand in the hall, you will know what is grand. It is the world's first garden-top church. Its sculptures and murals are exquisite. There are many works of Michelangelo and Bernini, not only a Catholic pilgrimage place, but also an art paradise. Be sure to climb to the top of the building.