The Leonine City is the part of the city of Rome which, during the Middle Ages, was enclosed with the Leonine Wall, built by order of Pope Leo IV in the 9th century.
A plan of Rome in the Middle Ages. The Leonine City is visible in the upper left section.
Leonine wall and Saint John's Tower inside the Vatican Gardens
Old St. Peter's Basilica consisted of the church buildings that stood, from the 4th to 16th centuries, where St. Peter's Basilica stands today in Vatican City. Construction of the basilica, built over
19th-century drawing of St. Peter's Basilica as it is thought to have looked around 1450. The Vatican obelisk is on the left, still standing on the spot where it was erected on the orders of the Emperor Caligula in 37 AD.
Fontana della Pigna (1st ct. AD), which stood in the courtyard of Old St. Peter's
Pairs of the original Solomonic columns now support pediments to form trompe-l'œil porticoes
Bronze statue of Saint Peter by Arnolfo di Cambio, dating to the 13th century