Displaying results 181 of 200 - 256
| Date | Image | Innovation | City | State | Country Sort descending |
|---|---|---|---|---|---|
| 1876-1923 | 
|
East Maui Irrigation System | East Maui | HI | USA |
| 1902 | 
|
Sault Ste. Marie Hydroelectric Complex | Sault Ste. Marie | MI | USA |
| 1847-1854 | 
|
Horseshoe Curve | Altoona | PA | USA |
| 1942 | 
|
Alaska Highway | Delta Junction | AK | USA |
| 1799 | 
|
Ellicott's Stone | Bucks | AL | USA |
| 1928 | 
|
Moffat Tunnel | Nederland | CO | USA |
| 1931 | 
|
Waldo-Hancock Suspension Bridge | Stockton Springs | ME | USA |
| 1829 | 
|
Carrollton Viaduct | Baltimore | MD | USA |
| 1882 | 
|
Kinzua Railway Viaduct | McKean County | PA | USA |
| 1866 | 
|
Cornish - Windsor Covered Bridge | Cornish | VT | USA |
| 1929 | 
|
Texas Commerce Bank Building | Houston | TX | USA |
| 1931 | 
|
Bayonne Bridge | Staten Island | NY | USA |
| 1834 | 
|
Gosport Naval Dry Docks | Portsmouth | VA | USA |
| 1896 | 
|
Northampton Street Bridge | Easton | NJ | USA |
| 1873-1887 | 
|
Marlette Lake Water System | Carson City | NV | USA |
| 1940s | 
|
Tacoma Narrows Bridges | Tacoma | WA | USA |
| 1952 | 
|
Dorton Arena | Raleigh | NC | USA |
| 1831 | 
|
Borden Base Line | South Deerfield | MA | USA |
| 1905-1910 | 
|
Buffalo Bill Dam | Cody | WY | USA |
| 1837 | 
|
Houston Ship Channel | Houston | TX | USA |
