Displaying results 241 of 258 - 258
Date Image Innovation City State Country
1767 Mason-Dixon Line Mason-Dixon Line USA
1764 Choate Bridge Choate Bridge Ipswich MA USA
1761 Bethlehem Waterworks Bethlehem Waterworks Bethlehem PA USA
1761 Sewall's Bridge Sewall's Bridge York ME USA
1747 Ecole Nationale des Ponts et Cheussees Ecole Nationale des Ponts et Cheussees Paris Ile-de-France France
1733 City Plan of Savannah City Plan of Savannah Savannah GA USA
1728-1821 Emanuel Bowen's 1747 map showing the boundary between Virginia and North Carolina. Royal Colonial Boundary of 1665 Middlesboro KY USA
1726 - 1738 Acueducto de Queretaro Acueducto de Queretaro Santiago de Querétaro Querétaro Mexico
1718-1744 The Espada Aqueduct, running over the Piedras Creek Acequias of San Antonio San Antonio TX USA
16th Century El Camino Real (The Royal Road) Eastern Branch El Camino Real (The Royal Road) Eastern Branch San Antonio TX Mexico
1697 Frankford Avenue Bridge Frankford Avenue Bridge Philadelphia PA USA
1682 City Plan of Philadelphia City Plan of Philadelphia Philadelphia PA USA
1672-1695 Castillo de San Marcos Castillo de San Marcos St. Augustine FL USA
1519 El Camino Real - The Royal Road El Camino Real - The Royal Road Mexico City to Santa Fe NM USA
1460 Machu Picchu Machu Picchu Peru
1200 - 1534 Tipon Tipon Tipon Peru
109-110 Acquedotto Traiano-Paolo Acquedotto Traiano-Paolo Rome RI Italy
The original wooden Union Bridge Waterford (Union) Bridge (Replaced in 1909) Troy NY

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