Displaying results 61 of 80 - 256
| Date | Image | Innovation | City | State | Country Sort ascending |
|---|---|---|---|---|---|
| 1885 | 
|
Washington Monument | Washington | DC | USA |
| 1834 | 
|
Ascutney Mill Dam | Windsor | VT | USA |
| 1932 | 
|
Going-to-the-Sun Road | West Glacier | MT | USA |
| 1886 | 
|
Second Street Bridge | Allegan | MI | USA |
| 1930 | 
|
Columbia-Wrightsville Bridge | West Hempfield | PA | USA |
| 1909 | 
|
Manhattan Bridge | Brooklyn | NY | USA |
| 1920-1927 | 
|
Missouri River Bridge | Chamberlain | SD | USA |
| 1821 | 
|
Lowell Waterpower System | Lowell | MA | USA |
| 1885 | 
|
Davis Island Lock and Dam | McKees Rocks | PA | USA |
| 1878 | 
|
Pelton Impulse Water Wheel | Camptonville | CA | USA |
| 1830 | 
|
Louisville and Portland Canal Locks & Dam | Louisville | KY | USA |
| 1897 | 
|
Boston Subway | Boston | MA | USA |
| 1944 | 
|
Hanford B Reactor | Richland | WA | USA |
| 1828 | 
|
Union Canal Tunnel | Lebanon | PA | USA |
| 1943 | 
|
Red Hill Underground Fuel Storage Facility | Aie | HI | USA |
| 1900-1904 | 
|
First New York Subway | New York | NY | USA |
| 1894 | 
|
Bunker Hill Covered Bridge | Catawba County | NC | USA |
| 1878 | 
|
Bridges of Keeseville | Keeseville | NY | USA |
| 1862 | 
|
Mullan Road | Walla Walla | WA | USA |
| 1859 | 
|
Watertown Arsenal | Watertown | MA | USA |
