Displaying results 1 of 20 - 256
| Date Sort ascending | Image | Innovation | City | State | Country |
|---|---|---|---|---|---|
| First century AD | 
|
Acueducto de Segovia | Segovia | SEG | Spain |
| between 1842 and the | 
|
Baltimore & Ohio Roundhouse & Shop Complex | Martinsburg | WV | USA |
| BC 100 | 
|
Ifugao Rice Terraces | Bananue | Philippines | |
| 750-1180 | 
|
Prehistoric Mesa Verde Reservoirs | Montezuma County | CO | USA |
| 605 AD | 
|
Zhaozhou (or Anji) Bridge | Zhaoxian | Hebei | China |
| 600 - 1450 AD | 
|
Hohokam Canal System | Phoenix | AZ | USA |
| 537 | 
|
Hagia Sophia | Istanbul | Turkey | |
| 300 BC - 1400 AD | 
|
Guayabo Ceremonial Center | Turrialba | Turrialba | Costa Rica |
| 2575-2137 BC | Lake Moeris Quarry Road | Faiyum District | Egypt | ||
| 1974 | 
|
Snowy Mountains Hydro-Electric Scheme | Khancoban | NSW | Australia |
| 1959 | 
|
Utica Memorial Auditorium | Utica | NY | USA |
| 1958 | 
|
Mackinac Bridge | St Ignace | MI | USA |
| 1956 | 
|
The Dalles Lock and Dam | The Dalles | OR | |
| 1956 | 
|
Lake Pontchartrain Causeway Bridge | New Orleans | LA | USA |
| 1952 | 
|
Dorton Arena | Raleigh | NC | USA |
| 1947 | 
|
Maine Turnpike | ME | USA | |
| 1944 | 
|
Hanford B Reactor | Richland | WA | USA |
| 1944 | 
|
Kentucky Dam | Grand River | KY | USA |
| 1943 | 
|
Blimp Hangars | Irvine | CA | USA |
| 1943 | 
|
Denison Dam | Denison | TX | USA |
