Displaying results 61 of 80 - 256
Date Image Innovation City State Country
1930 White River Concrete Arch Bridge White River Concrete Arch Bridge Cotter AR USA
1672-1695 Castillo de San Marcos Castillo de San Marcos St. Augustine FL USA
1917 Lake Washington Ship Canal & Hiram M. Chittenden Locks Lake Washington Ship Canal & Hiram M. Chittenden Locks Zanesville WA USA
1930 Columbia-Wrightsville Bridge Columbia-Wrightsville Bridge West Hempfield PA USA
1909 Manhattan Bridge Manhattan Bridge Brooklyn NY USA
1824 Russell Sage Laboratory Rensselaer Polytechnic Institute Troy NY USA
1834 Ascutney Mill Dam Ascutney Mill Dam Windsor VT USA
1932 Going-to-the-Sun Road Going-to-the-Sun Road West Glacier MT USA
1807 Portland Observatory Portland Observatory Portland ME USA
1959 UTICA MEMORIAL AUDITORIUM Utica Memorial Auditorium Utica NY USA
1821 Lowell Waterpower System Lowell Waterpower System Lowell MA USA
1885 Davis Island Lock and Dam Davis Island Lock and Dam McKees Rocks PA USA
1919 Milwaukee Metropolitan Sewage Treatment Plant Milwaukee Metropolitan Sewage Treatment Plant Milwaukee WI USA
1897 Boston Subway Boston Subway Boston MA USA
1944 Hanford B Reactor Hanford B Reactor Richland WA USA
1937 San Francisco - Oakland Bay Bridge Oakland CA USA
1855-1876 Hoosac Tunnel Hoosac Tunnel North Adams MA USA
1929-1941 San Antonio River Walk & Flood Control System San Antonio River Walk & Flood Control System San Antonio TX USA
1936 Norris Dam Norris Dam Knoxville TN USA
1903 Williamsburg Bridge Williamsburg Bridge Brooklyn NY USA

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