National Geographic : 1957 Apr
© National Geographic Society + Stone Walls Restrain Father Tiber, Once the Scourge of Rome The tawny river, Italy's largest after the Po, winds peacefully under the ancient Pons .Elius and past the circular walls of Castel Sant' Angelo (right). St. Peter's dome, visible from almost any point in the city, rises beyond. + Grim and Battle Scarred Stand the Walls ofHadrian's Tomb Now a museum called Castel Sant' Angelo, the emperor's tomb served for centuries as a fortress. Its decorative statues were hurled down onbesieging Goths. Barbarian invaders scattered Hadrian's ashes on the Tiber.