Displaying results 61 of 80 - 256
| Date | Image | Innovation | City | State | Country Sort ascending |
|---|---|---|---|---|---|
| 1899 | 
|
Snoqualmie Falls Cavity Generating Station | Snoqualmie | WA | USA |
| 1931 | 
|
George Washington Bridge | Fort Lee | NJ | USA |
| 1940 | 
|
Fort Peck Dam | Fort Peck | MT | USA |
| 1801 | 
|
Philadelphia Municipal Water Supply | Philadelphia | PA | USA |
| 1864-1869 | 
|
Chesbrough's Water Supply System | Chicago | IL | USA |
| 1764 | 
|
Choate Bridge | Ipswich | MA | USA |
| 1877 | 
|
High Bridge | Wilmore | KY | USA |
| 1911 | 
|
Theodore Roosevelt Dam & Salt River Project | Tonto National Forest | AZ | USA |
| 1728-1821 | 
|
Royal Colonial Boundary of 1665 | Middlesboro | KY | USA |
| 1930 | 
|
Zion Mt. Carmel Tunnel and Highway | Hurricane | UT | USA |
| 1944 | 
|
Kentucky Dam | Grand River | KY | USA |
| 1761 | 
|
Bethlehem Waterworks | Bethlehem | PA | USA |
| 1935-1937 | 
|
Blue Ridge Parkway | Blue Ridge Mountains | VA | USA |
| 1842 | 
|
Croton Water Supply System | New York | NY | USA |
| 1803 | 
|
Middlesex Canal | Billerica | MA | USA |
| 1927 | 
|
Holland Tunnel | Jersey City | NJ | USA |
| 1939 | 
|
Dunlap's Creek Bridge | Brownsville | PA | USA |
| 1794 | 
|
New Castle Ice Harbor | New Castle | DE | USA |
| 1792 | 
|
Old Cape Henry Lighthouse | Virginia Beach | VA | USA |
| 1903 | 
|
Ingalls Building | Cincinnati | OH | USA |
