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Photo: Blackcat, CC BY-SA 3.0 via Wikimedia Commons
Strange to see a lighthouse on top of a hill. This was built in 1911 and was a gift to the city from Italians living in Argentina. From here you can continue down the hill, past Rome's largest and Italy's most important children's hospital, Bambino Gesu, eventually arriving at the River Tiber close to the Vatican.
© OpenStreetMap contributors
Janiculum Hill
This is not, contrary to popular belief, one of the original seven hills that Rome was founded on. It is the second highest after Monte Mario, though, and offers incredible panoramic views of the city as long as the authorities remember to prune the trees on the hillside (if they are too tall you can walk a few meters down the hill for views that are just as good). On the other side of the piazza there is also a nice view of the dome of St. Peter's. The Piazza and the street leading up the hill are dedicated to Giuseppe Garibaldi who led Italian troops against the French here in 1849. There are also several commemorative statues.
Botanical Gardens
This garden was established in 1883. It has over 3,500 species of plants and includes a "Scent-and-Touch" garden for those who are visually impaired.
housed in the baroque palace Corsini where Christina, Queen of Sweden settled down in the last years of her life
Delightful Renaissance house that was built by a rich banker from Siena, Agostino Chigi. In 1577 it was bought by the Farnese family and has since been known as Villa Farnesina. At one time there were plans by Michelangelo to build a bridge over the river to connect the villa with Palazzo Farnese on the other side. You can tour several beautiful rooms that are all decorated with frescoes, including some by Raphael. Particularly entertaining is the Loggia of Cupid and Psyche, the former entrance hall, in which nearly every person represented is without clothes.
This massive early 17th-century Baroque fountain was built to celebrate the re-opening of an old Roman aqueduct. Water played an important role in this area in Roman times as the grain was milled here using water mills.
Designed by Bramante to mark the spot of St. Peter's martyrdom, this delightful miniature building is considered a masterpiece of Renaissance architecture. Open to the public.