A plan of Rome in 1921 showing Pincian Hill (1), Hadrian's Tomb (2), Saint Peter's (3), Vatican (4), Pantheon (5), Quirinal (Royal Palace) (6), Baths of Diocletian (7), Railway Terminal (8), Column of Trajan (9), Capitol (10), Forum (11), Palatine Hill (12), Coliseum (13), Lateran (14), Baths of Caracalla (15), Aventine (16), and Villa Borghese (17).