St. Peter's Basilica, here is a Virtual Tour. Here is the Vatican's own description: Saint Peter's Basilica.
There are seven different churches in the Vatican but Saint Peter's Basilica is the best known and most visible.
St. Peter's Basilica.
The Vatican City, inside Rome, Italy. The Vatican is its own country.
Yes, the Catholic Church is the only church in the Vatican.
Vatican is the name of an independent country, not of a church.
The worldwide headquarters of the Catholic Church is the Vatican in Rome and is headed by the Pope. The 'headquarters' are in the Vatican city. This is inside Rome but it has its own government so it is not actually part of Rome.
The Vatican is built inside Rome because Saint Peter's Basilica, the central feature of the Vatican, is built around the spot where Saint Peter was crucified. This legitimises the Catholic Church's claim to direct procession from Jesus, from Jesus to Saint Peter the Apostle to the procession to Popes.
No, the Vatican is the home of the Pope, who is head of the Catholic Church.
I assume you mean the Chair of St. Peter, which is currently held by Pope Benedict the XII, living in Vatican City. Country is located inside the city of Rome.
Ther Vatican is a country, not a church.
The Vatican is owned by the Catholic Church.
Vatican City is the home of the Pope. His home is close to St. Peter's Basilica, the largest church in the Vatican City.
Vatican City, inside Rome, is a sovereign nation, and is home of the Catholic Church. There is no "Roman" Catholic Church, that is a popular mistake.
The Second Vatican Council said nothing about beverages in Church.