Campus Martius - Wikipedia

Campus Martius Historical Marker

Maps – The Colosseum.net – The resourceful site on the Colosseum

Map of the northern Campus Martius, ca. 9 BC, showing monuments

File:Gunter's chain at Campus Martius Museum.JPG - Wikipedia

Elements of Urbanism: Detroit

Campus Martius Museum

Elements of Urbanism: Detroit

File:Campus Martius, Detroit, MI.jpg - Wikipedia

Rome - Imperator Wiki

Campus Martius, Roma. Ancient rome, Rome, Ancient history

File:Temple of Deified Hadrian (Hadrianeum), Campus Martius, Rome (16115585310).jpg - Wikimedia Commons