Displaying results 61 of 80 - 256
| Date | Image | Innovation | City | State | Country Sort ascending |
|---|---|---|---|---|---|
| 1828 | 
|
Union Canal Tunnel | Lebanon | PA | USA |
| 1764 | 
|
Choate Bridge | Ipswich | MA | USA |
| 1877 | 
|
High Bridge | Wilmore | KY | USA |
| 1761 | 
|
Sewall's Bridge | York | ME | USA |
| 1855 | 
|
International Boundary Marker #1 | El Paso | TX | USA |
| 1935 | 
|
Huey P. Long Bridge | Bridge City, LA 70094 | LA | USA |
| 1761 | 
|
Bethlehem Waterworks | Bethlehem | PA | USA |
| 1862 | 
|
Mullan Road | Walla Walla | WA | USA |
| 1859 | 
|
Watertown Arsenal | Watertown | MA | USA |
| 1842 | 
|
Croton Water Supply System | New York | NY | USA |
| 1927 | 
|
Holland Tunnel | Jersey City | NJ | USA |
| 1939 | 
|
Dunlap's Creek Bridge | Brownsville | PA | USA |
| 1845-1877 | 
|
Tennessee State Capitol | Nashville | TN | USA |
| 1924-1921 | 
|
River des Peres Sewage & Drainage Works | St. Louis | MO | USA |
| 1792 | 
|
Old Cape Henry Lighthouse | Virginia Beach | VA | USA |
| 1903 | 
|
Ingalls Building | Cincinnati | OH | USA |
| 1940 | 
|
Pennsylvania Turnpike (Old Section) | Harrisburg | PA | USA |
| 1825 | 
|
Ohio Canal System | N/A | OH | USA |
| 1889 | 
|
Alvord Lake Bridge | San Francisco | CA | USA |
| 1911 | 
|
Armour-Swift-Burlington Bridge | Kansas City | MO | USA |
