Arch of Janus (Arco di Giano), Rome, Lazio, Italy, Europe

rome italy ancient architecture historical monument lazio european landmarks ruins travel destination tourism sightseeing archeological site blue sky day time historic site cultural heritage outdoor stone structure ancient rome roman architecture cityscape greenery park public square tourist attraction beautiful day ancient history italian landmarks heritage preservation architectural beauty historic arch visit italy famous landmarks city history local culture urban exploration iconic structures roman ruins ancient relics captivating views picturesque landscape significant site ancient civilizations arch janus arco giano