Displaying results 141 of 160 - 256
Date Image Innovation City State Country
1856 Bidwell Bar Suspension Bridge Bidwell Bar Suspension Bridge Oroville CA USA
1909 Gunnison Tunnel Gunnison Tunnel Montrose CO USA
1826 Granite Railway Granite Railway Quincy and Milton MA USA
1909-1914 Cape Cod Canal Cape Cod Canal Cape Cod MA USA
1866 John A. Roebling Bridge John A. Roebling Bridge Cincinnati OH USA
1917 Lake Washington Ship Canal & Hiram M. Chittenden Locks Lake Washington Ship Canal & Hiram M. Chittenden Locks Zanesville WA USA
1922 Miami Conservancy District Miami Conservancy District Huber Heights OH USA
1882 Durango and Silverton Narrow Gauge railway runs along the Highline. Durango-Silverton Branch of the D&RGW RR Durango CO USA
1928 Newark Airport Newark Airport Newark NJ USA
1930 White River Concrete Arch Bridge White River Concrete Arch Bridge Cotter AR USA
1933-1941 Colorado River Aqueduct Colorado River Aqueduct CA USA
1824 Russell Sage Laboratory Rensselaer Polytechnic Institute Troy NY USA
1938 Bonneville Dam, Columbia River System Bonneville Dam, Columbia River System Portland OR USA
1910 Fritz Engineering Laboratory Fritz Engineering Laboratory Bethlehem PA USA
1807 Portland Observatory Portland Observatory Portland ME USA
750-1180 Prehistoric Mesa Verde Reservoirs Prehistoric Mesa Verde Reservoirs Montezuma County CO USA
1880 Cumbres and Toltec Scenic Railway Cumbres and Toltec Scenic Railway Antonito CO USA
1919 Milwaukee Metropolitan Sewage Treatment Plant Milwaukee Metropolitan Sewage Treatment Plant Milwaukee WI USA
1935 Huey Long Bridge Huey P. Long Bridge Bridge City, LA 70094 LA USA
1943 Blimp Hangars Blimp Hangars Irvine CA USA

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