Italy

Vatican City, a city-state surrounded by Rome, Italy, is the headquarters of the Roman Catholic Church. It's home to the Pope and a trove of iconic art and architecture. Its Vatican Museums house ancient Roman sculptures such as the famed “Laocoön and His Sons” as well as Renaissance frescoes in the Raphael Rooms and the Sistine Chapel, famous for Michelangelo’s ceiling.

Greece is a country in southeastern Europe with thousands of islands throughout the Aegean and Ionian seas. Influential in ancient times, it's often called the cradle of Western civilization. Athens, its capital, retains landmarks including the 5th-century B.C. Acropolis citadel with the Parthenon temple. Greece is also known for its beaches, from the black sands of Santorini to the party resorts of Mykonos.