Displaying results 141 of 160 - 256
Date Image Innovation City State Country
1842 Croton Water Supply System Croton Water Supply System New York NY USA
1803 Middlesex Canal Middlesex Canal Billerica MA USA
1930 Tunnel Zion Mt. Carmel Tunnel and Highway Hurricane UT USA
1944 Kentucky Dam Kentucky Dam Grand River KY USA
1761 Bethlehem Waterworks Bethlehem Waterworks Bethlehem PA USA
1935-1937 Blue Ridge Parkway Blue Ridge Parkway Blue Ridge Mountains VA USA
1792 Old Cape Henry Lighthouse Old Cape Henry Lighthouse Virginia Beach VA USA
1903 Ingalls Building Ingalls Building Cincinnati OH USA
1869 Joining of the Rails - Transcontinental Railroad Joining of the Rails - Transcontinental Railroad Promontory UT USA
1927 Holland Tunnel Holland Tunnel Jersey City NJ USA
1939 Dunlap's Creek Bridge Dunlap's Creek Bridge Brownsville PA USA
1794 New Castle Ice Harbor New Castle Ice Harbor New Castle DE USA
1925 Cleveland Hopkins Airport Cleveland Hopkins Airport Cleveland OH USA
1835 Thomas Viaduct Railroad Bridge Thomas Viaduct Railroad Bridge Arbutus MD USA
1785 Point of Beginning, U.S. Public Lands Point of Beginning, U.S. Public Lands East Liverpool OH USA
1911 Armour-Swift-Burlington Bridge Armour-Swift-Burlington Bridge Kansas City MO USA
1697 Frankford Avenue Bridge Frankford Avenue Bridge Philadelphia PA USA
1682 City Plan of Philadelphia City Plan of Philadelphia Philadelphia PA USA
1858 Crozet's Blue Ridge Tunnel Crozet's Blue Ridge Tunnel Waynesboro VA USA
1813 United States Military Academy United States Military Academy West Point NY USA

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